31326360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 103783680

約数和(自身を除く): 72457320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 467, 516, 520, 559, 645, 780, 860, 934, 1032, 1118, 1290, 1401, 1560, 1677, 1720, 1868, 2236, 2335, 2580, 2795, 2802, 3354, 3736, 4472, 4670, 5160, 5590, 5604, 6071, 6708, 7005, 8385, 9340, 11180, 11208, 12142, 13416, 14010, 16770, 18213, 18680, 20081, 22360, 24284, 28020, 30355, 33540, 36426, 40162, 48568, 56040, 60243, 60710, 67080, 72852, 80324, 91065, 100405, 120486, 121420, 145704, 160648, 182130, 200810, 240972, 242840, 261053, 301215, 364260, 401620, 481944, 522106, 602430, 728520, 783159, 803240, 1044212, 1204860, 1305265, 1566318, 2088424, 2409720, 2610530, 3132636, 3915795, 5221060, 6265272, 7831590, 10442120, 15663180, 31326360]

約数ペア:

[(1, 31326360), (2, 15663180), (3, 10442120), (4, 7831590), (5, 6265272), (6, 5221060), (8, 3915795), (10, 3132636), (12, 2610530), (13, 2409720), (15, 2088424), (20, 1566318), (24, 1305265), (26, 1204860), (30, 1044212), (39, 803240), (40, 783159), (43, 728520), (52, 602430), (60, 522106), (65, 481944), (78, 401620), (86, 364260), (104, 301215), (120, 261053), (129, 242840), (130, 240972), (156, 200810), (172, 182130), (195, 160648), (215, 145704), (258, 121420), (260, 120486), (312, 100405), (344, 91065), (390, 80324), (430, 72852), (467, 67080), (516, 60710), (520, 60243), (559, 56040), (645, 48568), (780, 40162), (860, 36426), (934, 33540), (1032, 30355), (1118, 28020), (1290, 24284), (1401, 22360), (1560, 20081), (1677, 18680), (1720, 18213), (1868, 16770), (2236, 14010), (2335, 13416), (2580, 12142), (2795, 11208), (2802, 11180), (3354, 9340), (3736, 8385), (4472, 7005), (4670, 6708), (5160, 6071), (5590, 5604)]