15997642240

素因数分解:

$2^9\times 5^1\times {\mathrm{109}}^1\times {\mathrm{57331}}^1$

素因数の和:57463

約数の個数: 80

約数和(自身を含む): 38709419760

約数和(自身を除く): 22711777520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 512, 545, 640, 872, 1090, 1280, 1744, 2180, 2560, 3488, 4360, 6976, 8720, 13952, 17440, 27904, 34880, 55808, 57331, 69760, 114662, 139520, 229324, 279040, 286655, 458648, 573310, 917296, 1146620, 1834592, 2293240, 3669184, 4586480, 6249079, 7338368, 9172960, 12498158, 14676736, 18345920, 24996316, 29353472, 31245395, 36691840, 49992632, 62490790, 73383680, 99985264, 124981580, 146767360, 199970528, 249963160, 399941056, 499926320, 799882112, 999852640, 1599764224, 1999705280, 3199528448, 3999410560, 7998821120, 15997642240]

約数ペア:

[(1, 15997642240), (2, 7998821120), (4, 3999410560), (5, 3199528448), (8, 1999705280), (10, 1599764224), (16, 999852640), (20, 799882112), (32, 499926320), (40, 399941056), (64, 249963160), (80, 199970528), (109, 146767360), (128, 124981580), (160, 99985264), (218, 73383680), (256, 62490790), (320, 49992632), (436, 36691840), (512, 31245395), (545, 29353472), (640, 24996316), (872, 18345920), (1090, 14676736), (1280, 12498158), (1744, 9172960), (2180, 7338368), (2560, 6249079), (3488, 4586480), (4360, 3669184), (6976, 2293240), (8720, 1834592), (13952, 1146620), (17440, 917296), (27904, 573310), (34880, 458648), (55808, 286655), (57331, 279040), (69760, 229324), (114662, 139520)]