28553640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 90288000

約数和(自身を除く): 61734360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 59, 60, 74, 109, 111, 118, 120, 148, 177, 185, 218, 222, 236, 295, 296, 327, 354, 370, 436, 444, 472, 545, 555, 590, 654, 708, 740, 872, 885, 888, 1090, 1110, 1180, 1308, 1416, 1480, 1635, 1770, 2180, 2183, 2220, 2360, 2616, 3270, 3540, 4033, 4360, 4366, 4440, 6431, 6540, 6549, 7080, 8066, 8732, 10915, 12099, 12862, 13080, 13098, 16132, 17464, 19293, 20165, 21830, 24198, 25724, 26196, 32155, 32264, 32745, 38586, 40330, 43660, 48396, 51448, 52392, 60495, 64310, 65490, 77172, 80660, 87320, 96465, 96792, 120990, 128620, 130980, 154344, 161320, 192930, 237947, 241980, 257240, 261960, 385860, 475894, 483960, 713841, 771720, 951788, 1189735, 1427682, 1903576, 2379470, 2855364, 3569205, 4758940, 5710728, 7138410, 9517880, 14276820, 28553640]

約数ペア:

[(1, 28553640), (2, 14276820), (3, 9517880), (4, 7138410), (5, 5710728), (6, 4758940), (8, 3569205), (10, 2855364), (12, 2379470), (15, 1903576), (20, 1427682), (24, 1189735), (30, 951788), (37, 771720), (40, 713841), (59, 483960), (60, 475894), (74, 385860), (109, 261960), (111, 257240), (118, 241980), (120, 237947), (148, 192930), (177, 161320), (185, 154344), (218, 130980), (222, 128620), (236, 120990), (295, 96792), (296, 96465), (327, 87320), (354, 80660), (370, 77172), (436, 65490), (444, 64310), (472, 60495), (545, 52392), (555, 51448), (590, 48396), (654, 43660), (708, 40330), (740, 38586), (872, 32745), (885, 32264), (888, 32155), (1090, 26196), (1110, 25724), (1180, 24198), (1308, 21830), (1416, 20165), (1480, 19293), (1635, 17464), (1770, 16132), (2180, 13098), (2183, 13080), (2220, 12862), (2360, 12099), (2616, 10915), (3270, 8732), (3540, 8066), (4033, 7080), (4360, 6549), (4366, 6540), (4440, 6431)]