81559200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 144

約数和(自身を含む): 281232000

約数和(自身を除く): 199672800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 96, 100, 102, 120, 136, 150, 160, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 480, 510, 544, 600, 680, 800, 816, 850, 1020, 1200, 1275, 1360, 1632, 1700, 1999, 2040, 2400, 2550, 2720, 3400, 3998, 4080, 5100, 5997, 6800, 7996, 8160, 9995, 10200, 11994, 13600, 15992, 19990, 20400, 23988, 29985, 31984, 33983, 39980, 40800, 47976, 49975, 59970, 63968, 67966, 79960, 95952, 99950, 101949, 119940, 135932, 149925, 159920, 169915, 191904, 199900, 203898, 239880, 271864, 299850, 319840, 339830, 399800, 407796, 479760, 509745, 543728, 599700, 679660, 799600, 815592, 849575, 959520, 1019490, 1087456, 1199400, 1359320, 1599200, 1631184, 1699150, 2038980, 2398800, 2548725, 2718640, 3262368, 3398300, 4077960, 4797600, 5097450, 5437280, 6796600, 8155920, 10194900, 13593200, 16311840, 20389800, 27186400, 40779600, 81559200]

約数ペア:

[(1, 81559200), (2, 40779600), (3, 27186400), (4, 20389800), (5, 16311840), (6, 13593200), (8, 10194900), (10, 8155920), (12, 6796600), (15, 5437280), (16, 5097450), (17, 4797600), (20, 4077960), (24, 3398300), (25, 3262368), (30, 2718640), (32, 2548725), (34, 2398800), (40, 2038980), (48, 1699150), (50, 1631184), (51, 1599200), (60, 1359320), (68, 1199400), (75, 1087456), (80, 1019490), (85, 959520), (96, 849575), (100, 815592), (102, 799600), (120, 679660), (136, 599700), (150, 543728), (160, 509745), (170, 479760), (200, 407796), (204, 399800), (240, 339830), (255, 319840), (272, 299850), (300, 271864), (340, 239880), (400, 203898), (408, 199900), (425, 191904), (480, 169915), (510, 159920), (544, 149925), (600, 135932), (680, 119940), (800, 101949), (816, 99950), (850, 95952), (1020, 79960), (1200, 67966), (1275, 63968), (1360, 59970), (1632, 49975), (1700, 47976), (1999, 40800), (2040, 39980), (2400, 33983), (2550, 31984), (2720, 29985), (3400, 23988), (3998, 20400), (4080, 19990), (5100, 15992), (5997, 13600), (6800, 11994), (7996, 10200), (8160, 9995)]