31653960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 103783680

約数和(自身を除く): 72129720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 103, 104, 120, 130, 156, 195, 197, 206, 260, 309, 312, 390, 394, 412, 515, 520, 591, 618, 780, 788, 824, 985, 1030, 1182, 1236, 1339, 1545, 1560, 1576, 1970, 2060, 2364, 2472, 2561, 2678, 2955, 3090, 3940, 4017, 4120, 4728, 5122, 5356, 5910, 6180, 6695, 7683, 7880, 8034, 10244, 10712, 11820, 12360, 12805, 13390, 15366, 16068, 20085, 20291, 20488, 23640, 25610, 26780, 30732, 32136, 38415, 40170, 40582, 51220, 53560, 60873, 61464, 76830, 80340, 81164, 101455, 102440, 121746, 153660, 160680, 162328, 202910, 243492, 263783, 304365, 307320, 405820, 486984, 527566, 608730, 791349, 811640, 1055132, 1217460, 1318915, 1582698, 2110264, 2434920, 2637830, 3165396, 3956745, 5275660, 6330792, 7913490, 10551320, 15826980, 31653960]

約数ペア:

[(1, 31653960), (2, 15826980), (3, 10551320), (4, 7913490), (5, 6330792), (6, 5275660), (8, 3956745), (10, 3165396), (12, 2637830), (13, 2434920), (15, 2110264), (20, 1582698), (24, 1318915), (26, 1217460), (30, 1055132), (39, 811640), (40, 791349), (52, 608730), (60, 527566), (65, 486984), (78, 405820), (103, 307320), (104, 304365), (120, 263783), (130, 243492), (156, 202910), (195, 162328), (197, 160680), (206, 153660), (260, 121746), (309, 102440), (312, 101455), (390, 81164), (394, 80340), (412, 76830), (515, 61464), (520, 60873), (591, 53560), (618, 51220), (780, 40582), (788, 40170), (824, 38415), (985, 32136), (1030, 30732), (1182, 26780), (1236, 25610), (1339, 23640), (1545, 20488), (1560, 20291), (1576, 20085), (1970, 16068), (2060, 15366), (2364, 13390), (2472, 12805), (2561, 12360), (2678, 11820), (2955, 10712), (3090, 10244), (3940, 8034), (4017, 7880), (4120, 7683), (4728, 6695), (5122, 6180), (5356, 5910)]