739840920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67751}}^1$

素因数の和:67785

約数の個数: 128

約数和(自身を含む): 2731760640

約数和(自身を除く): 1991919720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 67751, 135502, 203253, 271004, 338755, 406506, 474257, 542008, 677510, 813012, 880763, 948514, 1016265, 1355020, 1422771, 1626024, 1761526, 1897028, 2032530, 2371285, 2642289, 2710040, 2845542, 3523052, 3794056, 4065060, 4403815, 4742570, 5284578, 5691084, 6165341, 7046104, 7113855, 8130120, 8807630, 9485140, 10569156, 11382168, 12330682, 13211445, 14227710, 17615260, 18496023, 18970280, 21138312, 24661364, 26422890, 28455420, 30826705, 35230520, 36992046, 49322728, 52845780, 56910840, 61653410, 73984092, 92480115, 105691560, 123306820, 147968184, 184960230, 246613640, 369920460, 739840920]

約数ペア:

[(1, 739840920), (2, 369920460), (3, 246613640), (4, 184960230), (5, 147968184), (6, 123306820), (7, 105691560), (8, 92480115), (10, 73984092), (12, 61653410), (13, 56910840), (14, 52845780), (15, 49322728), (20, 36992046), (21, 35230520), (24, 30826705), (26, 28455420), (28, 26422890), (30, 24661364), (35, 21138312), (39, 18970280), (40, 18496023), (42, 17615260), (52, 14227710), (56, 13211445), (60, 12330682), (65, 11382168), (70, 10569156), (78, 9485140), (84, 8807630), (91, 8130120), (104, 7113855), (105, 7046104), (120, 6165341), (130, 5691084), (140, 5284578), (156, 4742570), (168, 4403815), (182, 4065060), (195, 3794056), (210, 3523052), (260, 2845542), (273, 2710040), (280, 2642289), (312, 2371285), (364, 2032530), (390, 1897028), (420, 1761526), (455, 1626024), (520, 1422771), (546, 1355020), (728, 1016265), (780, 948514), (840, 880763), (910, 813012), (1092, 677510), (1365, 542008), (1560, 474257), (1820, 406506), (2184, 338755), (2730, 271004), (3640, 203253), (5460, 135502), (10920, 67751)]