20451600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:79

約数の個数: 360

約数和(自身を含む): 83952960

約数和(自身を除く): 63501360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 23, 24, 25, 26, 30, 36, 38, 39, 40, 45, 46, 48, 50, 52, 57, 60, 65, 69, 72, 75, 76, 78, 80, 90, 92, 95, 100, 104, 114, 115, 117, 120, 130, 138, 144, 150, 152, 156, 171, 180, 184, 190, 195, 200, 207, 208, 225, 228, 230, 234, 240, 247, 260, 276, 285, 299, 300, 304, 312, 325, 342, 345, 360, 368, 380, 390, 400, 414, 437, 450, 456, 460, 468, 475, 494, 520, 552, 570, 575, 585, 598, 600, 624, 650, 684, 690, 720, 741, 760, 780, 828, 855, 874, 897, 900, 912, 920, 936, 950, 975, 988, 1035, 1040, 1104, 1140, 1150, 1170, 1196, 1200, 1235, 1300, 1311, 1368, 1380, 1425, 1482, 1495, 1520, 1560, 1656, 1710, 1725, 1748, 1794, 1800, 1840, 1872, 1900, 1950, 1976, 2070, 2185, 2223, 2280, 2300, 2340, 2392, 2470, 2600, 2622, 2691, 2736, 2760, 2850, 2925, 2964, 2990, 3120, 3312, 3420, 3450, 3496, 3588, 3600, 3705, 3800, 3900, 3933, 3952, 4140, 4275, 4370, 4446, 4485, 4560, 4600, 4680, 4784, 4940, 5175, 5200, 5244, 5382, 5520, 5681, 5700, 5850, 5928, 5980, 6175, 6555, 6840, 6900, 6992, 7176, 7410, 7475, 7600, 7800, 7866, 8280, 8550, 8740, 8892, 8970, 9200, 9360, 9880, 10350, 10488, 10764, 10925, 11115, 11362, 11400, 11700, 11856, 11960, 12350, 13110, 13455, 13680, 13800, 14352, 14820, 14950, 15600, 15732, 16560, 17043, 17100, 17480, 17784, 17940, 18525, 19665, 19760, 20700, 20976, 21528, 21850, 22230, 22425, 22724, 22800, 23400, 23920, 24700, 26220, 26910, 27600, 28405, 29640, 29900, 31464, 32775, 34086, 34200, 34960, 35568, 35880, 37050, 39330, 41400, 43056, 43700, 44460, 44850, 45448, 46800, 49400, 51129, 52440, 53820, 55575, 56810, 59280, 59800, 62928, 65550, 67275, 68172, 68400, 71760, 74100, 78660, 82800, 85215, 87400, 88920, 89700, 90896, 98325, 98800, 102258, 104880, 107640, 111150, 113620, 119600, 131100, 134550, 136344, 142025, 148200, 157320, 170430, 174800, 177840, 179400, 196650, 204516, 215280, 222300, 227240, 255645, 262200, 269100, 272688, 284050, 296400, 314640, 340860, 358800, 393300, 409032, 426075, 444600, 454480, 511290, 524400, 538200, 568100, 681720, 786600, 818064, 852150, 889200, 1022580, 1076400, 1136200, 1278225, 1363440, 1573200, 1704300, 2045160, 2272400, 2556450, 3408600, 4090320, 5112900, 6817200, 10225800, 20451600]

約数ペア:

[(1, 20451600), (2, 10225800), (3, 6817200), (4, 5112900), (5, 4090320), (6, 3408600), (8, 2556450), (9, 2272400), (10, 2045160), (12, 1704300), (13, 1573200), (15, 1363440), (16, 1278225), (18, 1136200), (19, 1076400), (20, 1022580), (23, 889200), (24, 852150), (25, 818064), (26, 786600), (30, 681720), (36, 568100), (38, 538200), (39, 524400), (40, 511290), (45, 454480), (46, 444600), (48, 426075), (50, 409032), (52, 393300), (57, 358800), (60, 340860), (65, 314640), (69, 296400), (72, 284050), (75, 272688), (76, 269100), (78, 262200), (80, 255645), (90, 227240), (92, 222300), (95, 215280), (100, 204516), (104, 196650), (114, 179400), (115, 177840), (117, 174800), (120, 170430), (130, 157320), (138, 148200), (144, 142025), (150, 136344), (152, 134550), (156, 131100), (171, 119600), (180, 113620), (184, 111150), (190, 107640), (195, 104880), (200, 102258), (207, 98800), (208, 98325), (225, 90896), (228, 89700), (230, 88920), (234, 87400), (240, 85215), (247, 82800), (260, 78660), (276, 74100), (285, 71760), (299, 68400), (300, 68172), (304, 67275), (312, 65550), (325, 62928), (342, 59800), (345, 59280), (360, 56810), (368, 55575), (380, 53820), (390, 52440), (400, 51129), (414, 49400), (437, 46800), (450, 45448), (456, 44850), (460, 44460), (468, 43700), (475, 43056), (494, 41400), (520, 39330), (552, 37050), (570, 35880), (575, 35568), (585, 34960), (598, 34200), (600, 34086), (624, 32775), (650, 31464), (684, 29900), (690, 29640), (720, 28405), (741, 27600), (760, 26910), (780, 26220), (828, 24700), (855, 23920), (874, 23400), (897, 22800), (900, 22724), (912, 22425), (920, 22230), (936, 21850), (950, 21528), (975, 20976), (988, 20700), (1035, 19760), (1040, 19665), (1104, 18525), (1140, 17940), (1150, 17784), (1170, 17480), (1196, 17100), (1200, 17043), (1235, 16560), (1300, 15732), (1311, 15600), (1368, 14950), (1380, 14820), (1425, 14352), (1482, 13800), (1495, 13680), (1520, 13455), (1560, 13110), (1656, 12350), (1710, 11960), (1725, 11856), (1748, 11700), (1794, 11400), (1800, 11362), (1840, 11115), (1872, 10925), (1900, 10764), (1950, 10488), (1976, 10350), (2070, 9880), (2185, 9360), (2223, 9200), (2280, 8970), (2300, 8892), (2340, 8740), (2392, 8550), (2470, 8280), (2600, 7866), (2622, 7800), (2691, 7600), (2736, 7475), (2760, 7410), (2850, 7176), (2925, 6992), (2964, 6900), (2990, 6840), (3120, 6555), (3312, 6175), (3420, 5980), (3450, 5928), (3496, 5850), (3588, 5700), (3600, 5681), (3705, 5520), (3800, 5382), (3900, 5244), (3933, 5200), (3952, 5175), (4140, 4940), (4275, 4784), (4370, 4680), (4446, 4600), (4485, 4560)]