15500685280

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:621

約数の個数: 192

約数和(自身を含む): 38720747520

約数和(自身を除く): 23220062240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 53, 74, 80, 106, 127, 148, 160, 185, 212, 254, 265, 296, 370, 389, 424, 508, 530, 592, 635, 740, 778, 848, 1016, 1060, 1184, 1270, 1480, 1556, 1696, 1945, 1961, 2032, 2120, 2540, 2960, 3112, 3890, 3922, 4064, 4240, 4699, 5080, 5920, 6224, 6731, 7780, 7844, 8480, 9398, 9805, 10160, 12448, 13462, 14393, 15560, 15688, 18796, 19610, 20320, 20617, 23495, 26924, 28786, 31120, 31376, 33655, 37592, 39220, 41234, 46990, 49403, 53848, 57572, 62240, 62752, 67310, 71965, 75184, 78440, 82468, 93980, 98806, 103085, 107696, 115144, 134620, 143930, 150368, 156880, 164936, 187960, 197612, 206170, 215392, 230288, 247015, 249047, 269240, 287860, 313760, 329872, 375920, 395224, 412340, 460576, 494030, 498094, 538480, 575720, 659744, 751840, 762829, 790448, 824680, 988060, 996188, 1076960, 1151440, 1245235, 1525658, 1580896, 1649360, 1827911, 1976120, 1992376, 2302880, 2490470, 2618359, 3051316, 3298720, 3655822, 3814145, 3952240, 3984752, 4980940, 5236718, 6102632, 7311644, 7628290, 7904480, 7969504, 9139555, 9961880, 10473436, 12205264, 13091795, 14623288, 15256580, 18279110, 19923760, 20946872, 24410528, 26183590, 29246576, 30513160, 36558220, 39847520, 41893744, 52367180, 58493152, 61026320, 73116440, 83787488, 96879283, 104734360, 122052640, 146232880, 193758566, 209468720, 292465760, 387517132, 418937440, 484396415, 775034264, 968792830, 1550068528, 1937585660, 3100137056, 3875171320, 7750342640, 15500685280]

約数ペア:

[(1, 15500685280), (2, 7750342640), (4, 3875171320), (5, 3100137056), (8, 1937585660), (10, 1550068528), (16, 968792830), (20, 775034264), (32, 484396415), (37, 418937440), (40, 387517132), (53, 292465760), (74, 209468720), (80, 193758566), (106, 146232880), (127, 122052640), (148, 104734360), (160, 96879283), (185, 83787488), (212, 73116440), (254, 61026320), (265, 58493152), (296, 52367180), (370, 41893744), (389, 39847520), (424, 36558220), (508, 30513160), (530, 29246576), (592, 26183590), (635, 24410528), (740, 20946872), (778, 19923760), (848, 18279110), (1016, 15256580), (1060, 14623288), (1184, 13091795), (1270, 12205264), (1480, 10473436), (1556, 9961880), (1696, 9139555), (1945, 7969504), (1961, 7904480), (2032, 7628290), (2120, 7311644), (2540, 6102632), (2960, 5236718), (3112, 4980940), (3890, 3984752), (3922, 3952240), (4064, 3814145), (4240, 3655822), (4699, 3298720), (5080, 3051316), (5920, 2618359), (6224, 2490470), (6731, 2302880), (7780, 1992376), (7844, 1976120), (8480, 1827911), (9398, 1649360), (9805, 1580896), (10160, 1525658), (12448, 1245235), (13462, 1151440), (14393, 1076960), (15560, 996188), (15688, 988060), (18796, 824680), (19610, 790448), (20320, 762829), (20617, 751840), (23495, 659744), (26924, 575720), (28786, 538480), (31120, 498094), (31376, 494030), (33655, 460576), (37592, 412340), (39220, 395224), (41234, 375920), (46990, 329872), (49403, 313760), (53848, 287860), (57572, 269240), (62240, 249047), (62752, 247015), (67310, 230288), (71965, 215392), (75184, 206170), (78440, 197612), (82468, 187960), (93980, 164936), (98806, 156880), (103085, 150368), (107696, 143930), (115144, 134620)]