31812690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 96509952

約数和(自身を除く): 64697262

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 43, 65, 70, 78, 86, 91, 105, 129, 130, 182, 195, 210, 215, 258, 271, 273, 301, 390, 430, 455, 542, 546, 559, 602, 645, 813, 903, 910, 1118, 1290, 1355, 1365, 1505, 1626, 1677, 1806, 1897, 2710, 2730, 2795, 3010, 3354, 3523, 3794, 3913, 4065, 4515, 5590, 5691, 7046, 7826, 8130, 8385, 9030, 9485, 10569, 11382, 11653, 11739, 16770, 17615, 18970, 19565, 21138, 23306, 23478, 24661, 28455, 34959, 35230, 39130, 49322, 52845, 56910, 58265, 58695, 69918, 73983, 81571, 105690, 116530, 117390, 123305, 147966, 151489, 163142, 174795, 244713, 246610, 302978, 349590, 369915, 407855, 454467, 489426, 739830, 757445, 815710, 908934, 1060423, 1223565, 1514890, 2120846, 2272335, 2447130, 3181269, 4544670, 5302115, 6362538, 10604230, 15906345, 31812690]

約数ペア:

[(1, 31812690), (2, 15906345), (3, 10604230), (5, 6362538), (6, 5302115), (7, 4544670), (10, 3181269), (13, 2447130), (14, 2272335), (15, 2120846), (21, 1514890), (26, 1223565), (30, 1060423), (35, 908934), (39, 815710), (42, 757445), (43, 739830), (65, 489426), (70, 454467), (78, 407855), (86, 369915), (91, 349590), (105, 302978), (129, 246610), (130, 244713), (182, 174795), (195, 163142), (210, 151489), (215, 147966), (258, 123305), (271, 117390), (273, 116530), (301, 105690), (390, 81571), (430, 73983), (455, 69918), (542, 58695), (546, 58265), (559, 56910), (602, 52845), (645, 49322), (813, 39130), (903, 35230), (910, 34959), (1118, 28455), (1290, 24661), (1355, 23478), (1365, 23306), (1505, 21138), (1626, 19565), (1677, 18970), (1806, 17615), (1897, 16770), (2710, 11739), (2730, 11653), (2795, 11382), (3010, 10569), (3354, 9485), (3523, 9030), (3794, 8385), (3913, 8130), (4065, 7826), (4515, 7046), (5590, 5691)]