31521360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10103}}^1$

素因数の和:10132

約数の個数: 80

約数和(自身を含む): 105243264

約数和(自身を除く): 73721904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 10103, 20206, 30309, 40412, 50515, 60618, 80824, 101030, 121236, 131339, 151545, 161648, 202060, 242472, 262678, 303090, 394017, 404120, 484944, 525356, 606180, 656695, 788034, 808240, 1050712, 1212360, 1313390, 1576068, 1970085, 2101424, 2424720, 2626780, 3152136, 3940170, 5253560, 6304272, 7880340, 10507120, 15760680, 31521360]

約数ペア:

[(1, 31521360), (2, 15760680), (3, 10507120), (4, 7880340), (5, 6304272), (6, 5253560), (8, 3940170), (10, 3152136), (12, 2626780), (13, 2424720), (15, 2101424), (16, 1970085), (20, 1576068), (24, 1313390), (26, 1212360), (30, 1050712), (39, 808240), (40, 788034), (48, 656695), (52, 606180), (60, 525356), (65, 484944), (78, 404120), (80, 394017), (104, 303090), (120, 262678), (130, 242472), (156, 202060), (195, 161648), (208, 151545), (240, 131339), (260, 121236), (312, 101030), (390, 80824), (520, 60618), (624, 50515), (780, 40412), (1040, 30309), (1560, 20206), (3120, 10103)]