18640440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:606

約数の個数: 192

約数和(自身を含む): 74692800

約数和(自身を除く): 56052360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 569, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1138, 1170, 1260, 1365, 1560, 1638, 1707, 1820, 2184, 2276, 2340, 2520, 2730, 2845, 3276, 3414, 3640, 3983, 4095, 4552, 4680, 5121, 5460, 5690, 6552, 6828, 7397, 7966, 8190, 8535, 10242, 10920, 11380, 11949, 13656, 14794, 15932, 16380, 17070, 19915, 20484, 22191, 22760, 23898, 25605, 29588, 31864, 32760, 34140, 35847, 36985, 39830, 40968, 44382, 47796, 51210, 51779, 59176, 59745, 66573, 68280, 71694, 73970, 79660, 88764, 95592, 102420, 103558, 110955, 119490, 133146, 143388, 147940, 155337, 159320, 177528, 179235, 204840, 207116, 221910, 238980, 258895, 266292, 286776, 295880, 310674, 332865, 358470, 414232, 443820, 466011, 477960, 517790, 532584, 621348, 665730, 716940, 776685, 887640, 932022, 1035580, 1242696, 1331460, 1433880, 1553370, 1864044, 2071160, 2330055, 2662920, 3106740, 3728088, 4660110, 6213480, 9320220, 18640440]

約数ペア:

[(1, 18640440), (2, 9320220), (3, 6213480), (4, 4660110), (5, 3728088), (6, 3106740), (7, 2662920), (8, 2330055), (9, 2071160), (10, 1864044), (12, 1553370), (13, 1433880), (14, 1331460), (15, 1242696), (18, 1035580), (20, 932022), (21, 887640), (24, 776685), (26, 716940), (28, 665730), (30, 621348), (35, 532584), (36, 517790), (39, 477960), (40, 466011), (42, 443820), (45, 414232), (52, 358470), (56, 332865), (60, 310674), (63, 295880), (65, 286776), (70, 266292), (72, 258895), (78, 238980), (84, 221910), (90, 207116), (91, 204840), (104, 179235), (105, 177528), (117, 159320), (120, 155337), (126, 147940), (130, 143388), (140, 133146), (156, 119490), (168, 110955), (180, 103558), (182, 102420), (195, 95592), (210, 88764), (234, 79660), (252, 73970), (260, 71694), (273, 68280), (280, 66573), (312, 59745), (315, 59176), (360, 51779), (364, 51210), (390, 47796), (420, 44382), (455, 40968), (468, 39830), (504, 36985), (520, 35847), (546, 34140), (569, 32760), (585, 31864), (630, 29588), (728, 25605), (780, 23898), (819, 22760), (840, 22191), (910, 20484), (936, 19915), (1092, 17070), (1138, 16380), (1170, 15932), (1260, 14794), (1365, 13656), (1560, 11949), (1638, 11380), (1707, 10920), (1820, 10242), (2184, 8535), (2276, 8190), (2340, 7966), (2520, 7397), (2730, 6828), (2845, 6552), (3276, 5690), (3414, 5460), (3640, 5121), (3983, 4680), (4095, 4552)]