1520393680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{76943}}^1$

素因数の和:76988

約数の個数: 80

約数和(自身を含む): 4007243520

約数和(自身を除く): 2486849840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 76943, 153886, 307772, 384715, 615544, 769430, 1000259, 1231088, 1461917, 1538860, 2000518, 2923834, 3077720, 4001036, 5001295, 5847668, 6155440, 7309585, 8002072, 10002590, 11695336, 14619170, 16004144, 19004921, 20005180, 23390672, 29238340, 38009842, 40010360, 58476680, 76019684, 80020720, 95024605, 116953360, 152039368, 190049210, 304078736, 380098420, 760196840, 1520393680]

約数ペア:

[(1, 1520393680), (2, 760196840), (4, 380098420), (5, 304078736), (8, 190049210), (10, 152039368), (13, 116953360), (16, 95024605), (19, 80020720), (20, 76019684), (26, 58476680), (38, 40010360), (40, 38009842), (52, 29238340), (65, 23390672), (76, 20005180), (80, 19004921), (95, 16004144), (104, 14619170), (130, 11695336), (152, 10002590), (190, 8002072), (208, 7309585), (247, 6155440), (260, 5847668), (304, 5001295), (380, 4001036), (494, 3077720), (520, 2923834), (760, 2000518), (988, 1538860), (1040, 1461917), (1235, 1231088), (1520, 1000259), (1976, 769430), (2470, 615544), (3952, 384715), (4940, 307772), (9880, 153886), (19760, 76943)]