840748440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43517}}^1$

素因数の和:43561

約数の個数: 128

約数和(自身を含む): 3007964160

約数和(自身を除く): 2167215720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 43517, 87034, 130551, 174068, 217585, 261102, 304619, 348136, 435170, 522204, 609238, 652755, 870340, 913857, 1000891, 1044408, 1218476, 1305510, 1523095, 1740680, 1827714, 2001782, 2436952, 2611020, 3002673, 3046190, 3655428, 4003564, 4569285, 5004455, 5222040, 6005346, 6092380, 7006237, 7310856, 8007128, 9138570, 10008910, 12010692, 12184760, 14012474, 15013365, 18277140, 20017820, 21018711, 24021384, 28024948, 30026730, 35031185, 36554280, 40035640, 42037422, 56049896, 60053460, 70062370, 84074844, 105093555, 120106920, 140124740, 168149688, 210187110, 280249480, 420374220, 840748440]

約数ペア:

[(1, 840748440), (2, 420374220), (3, 280249480), (4, 210187110), (5, 168149688), (6, 140124740), (7, 120106920), (8, 105093555), (10, 84074844), (12, 70062370), (14, 60053460), (15, 56049896), (20, 42037422), (21, 40035640), (23, 36554280), (24, 35031185), (28, 30026730), (30, 28024948), (35, 24021384), (40, 21018711), (42, 20017820), (46, 18277140), (56, 15013365), (60, 14012474), (69, 12184760), (70, 12010692), (84, 10008910), (92, 9138570), (105, 8007128), (115, 7310856), (120, 7006237), (138, 6092380), (140, 6005346), (161, 5222040), (168, 5004455), (184, 4569285), (210, 4003564), (230, 3655428), (276, 3046190), (280, 3002673), (322, 2611020), (345, 2436952), (420, 2001782), (460, 1827714), (483, 1740680), (552, 1523095), (644, 1305510), (690, 1218476), (805, 1044408), (840, 1000891), (920, 913857), (966, 870340), (1288, 652755), (1380, 609238), (1610, 522204), (1932, 435170), (2415, 348136), (2760, 304619), (3220, 261102), (3864, 217585), (4830, 174068), (6440, 130551), (9660, 87034), (19320, 43517)]