21565818000

素因数分解:

$2^4\times 3^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{6547}}^1$

素因数の和:6640

約数の個数: 320

約数和(自身を含む): 78531997440

約数和(自身を除く): 56966179440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 61, 72, 75, 80, 90, 100, 108, 120, 122, 125, 135, 144, 150, 180, 183, 200, 216, 225, 240, 244, 250, 270, 300, 305, 360, 366, 375, 400, 432, 450, 488, 500, 540, 549, 600, 610, 675, 720, 732, 750, 900, 915, 976, 1000, 1080, 1098, 1125, 1200, 1220, 1350, 1464, 1500, 1525, 1647, 1800, 1830, 2000, 2160, 2196, 2250, 2440, 2700, 2745, 2928, 3000, 3050, 3294, 3375, 3600, 3660, 4392, 4500, 4575, 4880, 5400, 5490, 6000, 6100, 6547, 6588, 6750, 7320, 7625, 8235, 8784, 9000, 9150, 10800, 10980, 12200, 13094, 13176, 13500, 13725, 14640, 15250, 16470, 18000, 18300, 19641, 21960, 22875, 24400, 26188, 26352, 27000, 27450, 30500, 32735, 32940, 36600, 39282, 41175, 43920, 45750, 52376, 54000, 54900, 58923, 61000, 65470, 65880, 68625, 73200, 78564, 82350, 91500, 98205, 104752, 109800, 117846, 122000, 130940, 131760, 137250, 157128, 163675, 164700, 176769, 183000, 196410, 205875, 219600, 235692, 261880, 274500, 294615, 314256, 327350, 329400, 353538, 366000, 392820, 399367, 411750, 471384, 491025, 523760, 549000, 589230, 654700, 658800, 707076, 785640, 798734, 818375, 823500, 883845, 942768, 982050, 1098000, 1178460, 1198101, 1309400, 1414152, 1473075, 1571280, 1597468, 1636750, 1647000, 1767690, 1964100, 1996835, 2356920, 2396202, 2455125, 2618800, 2828304, 2946150, 3194936, 3273500, 3294000, 3535380, 3594303, 3928200, 3993670, 4419225, 4713840, 4792404, 4910250, 5892300, 5990505, 6389872, 6547000, 7070760, 7188606, 7365375, 7856400, 7987340, 8838450, 9584808, 9820500, 9984175, 10782909, 11784600, 11981010, 13094000, 14141520, 14377212, 14730750, 15974680, 17676900, 17971515, 19169616, 19641000, 19968350, 21565818, 22096125, 23569200, 23962020, 28754424, 29461500, 29952525, 31949360, 35353800, 35943030, 39282000, 39936700, 43131636, 44192250, 47924040, 49920875, 53914545, 57508848, 58923000, 59905050, 70707600, 71886060, 79873400, 86263272, 88384500, 89857575, 95848080, 99841750, 107829090, 117846000, 119810100, 143772120, 149762625, 159746800, 172526544, 176769000, 179715150, 199683500, 215658180, 239620200, 269572725, 287544240, 299525250, 353538000, 359430300, 399367000, 431316360, 449287875, 479240400, 539145450, 599050500, 718860600, 798734000, 862632720, 898575750, 1078290900, 1198101000, 1347863625, 1437721200, 1797151500, 2156581800, 2396202000, 2695727250, 3594303000, 4313163600, 5391454500, 7188606000, 10782909000, 21565818000]

約数ペア:

[(1, 21565818000), (2, 10782909000), (3, 7188606000), (4, 5391454500), (5, 4313163600), (6, 3594303000), (8, 2695727250), (9, 2396202000), (10, 2156581800), (12, 1797151500), (15, 1437721200), (16, 1347863625), (18, 1198101000), (20, 1078290900), (24, 898575750), (25, 862632720), (27, 798734000), (30, 718860600), (36, 599050500), (40, 539145450), (45, 479240400), (48, 449287875), (50, 431316360), (54, 399367000), (60, 359430300), (61, 353538000), (72, 299525250), (75, 287544240), (80, 269572725), (90, 239620200), (100, 215658180), (108, 199683500), (120, 179715150), (122, 176769000), (125, 172526544), (135, 159746800), (144, 149762625), (150, 143772120), (180, 119810100), (183, 117846000), (200, 107829090), (216, 99841750), (225, 95848080), (240, 89857575), (244, 88384500), (250, 86263272), (270, 79873400), (300, 71886060), (305, 70707600), (360, 59905050), (366, 58923000), (375, 57508848), (400, 53914545), (432, 49920875), (450, 47924040), (488, 44192250), (500, 43131636), (540, 39936700), (549, 39282000), (600, 35943030), (610, 35353800), (675, 31949360), (720, 29952525), (732, 29461500), (750, 28754424), (900, 23962020), (915, 23569200), (976, 22096125), (1000, 21565818), (1080, 19968350), (1098, 19641000), (1125, 19169616), (1200, 17971515), (1220, 17676900), (1350, 15974680), (1464, 14730750), (1500, 14377212), (1525, 14141520), (1647, 13094000), (1800, 11981010), (1830, 11784600), (2000, 10782909), (2160, 9984175), (2196, 9820500), (2250, 9584808), (2440, 8838450), (2700, 7987340), (2745, 7856400), (2928, 7365375), (3000, 7188606), (3050, 7070760), (3294, 6547000), (3375, 6389872), (3600, 5990505), (3660, 5892300), (4392, 4910250), (4500, 4792404), (4575, 4713840), (4880, 4419225), (5400, 3993670), (5490, 3928200), (6000, 3594303), (6100, 3535380), (6547, 3294000), (6588, 3273500), (6750, 3194936), (7320, 2946150), (7625, 2828304), (8235, 2618800), (8784, 2455125), (9000, 2396202), (9150, 2356920), (10800, 1996835), (10980, 1964100), (12200, 1767690), (13094, 1647000), (13176, 1636750), (13500, 1597468), (13725, 1571280), (14640, 1473075), (15250, 1414152), (16470, 1309400), (18000, 1198101), (18300, 1178460), (19641, 1098000), (21960, 982050), (22875, 942768), (24400, 883845), (26188, 823500), (26352, 818375), (27000, 798734), (27450, 785640), (30500, 707076), (32735, 658800), (32940, 654700), (36600, 589230), (39282, 549000), (41175, 523760), (43920, 491025), (45750, 471384), (52376, 411750), (54000, 399367), (54900, 392820), (58923, 366000), (61000, 353538), (65470, 329400), (65880, 327350), (68625, 314256), (73200, 294615), (78564, 274500), (82350, 261880), (91500, 235692), (98205, 219600), (104752, 205875), (109800, 196410), (117846, 183000), (122000, 176769), (130940, 164700), (131760, 163675), (137250, 157128)]