18643560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 256

約数和(自身を含む): 68947200

約数和(自身を除く): 50303640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 19, 20, 24, 26, 30, 34, 37, 38, 39, 40, 51, 52, 57, 60, 65, 68, 74, 76, 78, 85, 95, 102, 104, 111, 114, 120, 130, 136, 148, 152, 156, 170, 185, 190, 195, 204, 221, 222, 228, 247, 255, 260, 285, 296, 312, 323, 340, 370, 380, 390, 408, 442, 444, 456, 481, 494, 510, 520, 555, 570, 629, 646, 663, 680, 703, 740, 741, 760, 780, 884, 888, 962, 969, 988, 1020, 1105, 1110, 1140, 1235, 1258, 1292, 1326, 1406, 1443, 1480, 1482, 1560, 1615, 1768, 1887, 1924, 1938, 1976, 2040, 2109, 2210, 2220, 2280, 2405, 2470, 2516, 2584, 2652, 2812, 2886, 2964, 3145, 3230, 3315, 3515, 3705, 3774, 3848, 3876, 4199, 4218, 4420, 4440, 4810, 4845, 4940, 5032, 5304, 5624, 5772, 5928, 6290, 6460, 6630, 7030, 7215, 7410, 7548, 7752, 8177, 8398, 8436, 8840, 9139, 9435, 9620, 9690, 9880, 10545, 11544, 11951, 12580, 12597, 12920, 13260, 14060, 14430, 14820, 15096, 16354, 16796, 16872, 18278, 18870, 19240, 19380, 20995, 21090, 23902, 24531, 25160, 25194, 26520, 27417, 28120, 28860, 29640, 32708, 33592, 35853, 36556, 37740, 38760, 40885, 41990, 42180, 45695, 47804, 49062, 50388, 54834, 57720, 59755, 62985, 65416, 71706, 73112, 75480, 81770, 83980, 84360, 91390, 95608, 98124, 100776, 109668, 119510, 122655, 125970, 137085, 143412, 155363, 163540, 167960, 179265, 182780, 196248, 219336, 239020, 245310, 251940, 274170, 286824, 310726, 327080, 358530, 365560, 466089, 478040, 490620, 503880, 548340, 621452, 717060, 776815, 932178, 981240, 1096680, 1242904, 1434120, 1553630, 1864356, 2330445, 3107260, 3728712, 4660890, 6214520, 9321780, 18643560]

約数ペア:

[(1, 18643560), (2, 9321780), (3, 6214520), (4, 4660890), (5, 3728712), (6, 3107260), (8, 2330445), (10, 1864356), (12, 1553630), (13, 1434120), (15, 1242904), (17, 1096680), (19, 981240), (20, 932178), (24, 776815), (26, 717060), (30, 621452), (34, 548340), (37, 503880), (38, 490620), (39, 478040), (40, 466089), (51, 365560), (52, 358530), (57, 327080), (60, 310726), (65, 286824), (68, 274170), (74, 251940), (76, 245310), (78, 239020), (85, 219336), (95, 196248), (102, 182780), (104, 179265), (111, 167960), (114, 163540), (120, 155363), (130, 143412), (136, 137085), (148, 125970), (152, 122655), (156, 119510), (170, 109668), (185, 100776), (190, 98124), (195, 95608), (204, 91390), (221, 84360), (222, 83980), (228, 81770), (247, 75480), (255, 73112), (260, 71706), (285, 65416), (296, 62985), (312, 59755), (323, 57720), (340, 54834), (370, 50388), (380, 49062), (390, 47804), (408, 45695), (442, 42180), (444, 41990), (456, 40885), (481, 38760), (494, 37740), (510, 36556), (520, 35853), (555, 33592), (570, 32708), (629, 29640), (646, 28860), (663, 28120), (680, 27417), (703, 26520), (740, 25194), (741, 25160), (760, 24531), (780, 23902), (884, 21090), (888, 20995), (962, 19380), (969, 19240), (988, 18870), (1020, 18278), (1105, 16872), (1110, 16796), (1140, 16354), (1235, 15096), (1258, 14820), (1292, 14430), (1326, 14060), (1406, 13260), (1443, 12920), (1480, 12597), (1482, 12580), (1560, 11951), (1615, 11544), (1768, 10545), (1887, 9880), (1924, 9690), (1938, 9620), (1976, 9435), (2040, 9139), (2109, 8840), (2210, 8436), (2220, 8398), (2280, 8177), (2405, 7752), (2470, 7548), (2516, 7410), (2584, 7215), (2652, 7030), (2812, 6630), (2886, 6460), (2964, 6290), (3145, 5928), (3230, 5772), (3315, 5624), (3515, 5304), (3705, 5032), (3774, 4940), (3848, 4845), (3876, 4810), (4199, 4440), (4218, 4420)]