9978254520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{12277}}^1$

素因数の和:12825

約数の個数: 128

約数和(自身を含む): 32301944640

約数和(自身を除く): 22323690120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 521, 780, 1042, 1560, 1563, 2084, 2605, 3126, 4168, 5210, 6252, 6773, 7815, 10420, 12277, 12504, 13546, 15630, 20319, 20840, 24554, 27092, 31260, 33865, 36831, 40638, 49108, 54184, 61385, 62520, 67730, 73662, 81276, 98216, 101595, 122770, 135460, 147324, 159601, 162552, 184155, 203190, 245540, 270920, 294648, 319202, 368310, 406380, 478803, 491080, 638404, 736620, 798005, 812760, 957606, 1276808, 1473240, 1596010, 1915212, 2394015, 3192020, 3830424, 4788030, 6384040, 6396317, 9576060, 12792634, 19152120, 19188951, 25585268, 31981585, 38377902, 51170536, 63963170, 76755804, 83152121, 95944755, 127926340, 153511608, 166304242, 191889510, 249456363, 255852680, 332608484, 383779020, 415760605, 498912726, 665216968, 767558040, 831521210, 997825452, 1247281815, 1663042420, 1995650904, 2494563630, 3326084840, 4989127260, 9978254520]

約数ペア:

[(1, 9978254520), (2, 4989127260), (3, 3326084840), (4, 2494563630), (5, 1995650904), (6, 1663042420), (8, 1247281815), (10, 997825452), (12, 831521210), (13, 767558040), (15, 665216968), (20, 498912726), (24, 415760605), (26, 383779020), (30, 332608484), (39, 255852680), (40, 249456363), (52, 191889510), (60, 166304242), (65, 153511608), (78, 127926340), (104, 95944755), (120, 83152121), (130, 76755804), (156, 63963170), (195, 51170536), (260, 38377902), (312, 31981585), (390, 25585268), (520, 19188951), (521, 19152120), (780, 12792634), (1042, 9576060), (1560, 6396317), (1563, 6384040), (2084, 4788030), (2605, 3830424), (3126, 3192020), (4168, 2394015), (5210, 1915212), (6252, 1596010), (6773, 1473240), (7815, 1276808), (10420, 957606), (12277, 812760), (12504, 798005), (13546, 736620), (15630, 638404), (20319, 491080), (20840, 478803), (24554, 406380), (27092, 368310), (31260, 319202), (33865, 294648), (36831, 270920), (40638, 245540), (49108, 203190), (54184, 184155), (61385, 162552), (62520, 159601), (67730, 147324), (73662, 135460), (81276, 122770), (98216, 101595)]