31937880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:433

約数の個数: 128

約数和(自身を含む): 105235200

約数和(自身を除く): 73297320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 65, 78, 104, 118, 120, 130, 156, 177, 195, 236, 260, 295, 312, 347, 354, 390, 472, 520, 590, 694, 708, 767, 780, 885, 1041, 1180, 1388, 1416, 1534, 1560, 1735, 1770, 2082, 2301, 2360, 2776, 3068, 3470, 3540, 3835, 4164, 4511, 4602, 5205, 6136, 6940, 7080, 7670, 8328, 9022, 9204, 10410, 11505, 13533, 13880, 15340, 18044, 18408, 20473, 20820, 22555, 23010, 27066, 30680, 36088, 40946, 41640, 45110, 46020, 54132, 61419, 67665, 81892, 90220, 92040, 102365, 108264, 122838, 135330, 163784, 180440, 204730, 245676, 266149, 270660, 307095, 409460, 491352, 532298, 541320, 614190, 798447, 818920, 1064596, 1228380, 1330745, 1596894, 2129192, 2456760, 2661490, 3193788, 3992235, 5322980, 6387576, 7984470, 10645960, 15968940, 31937880]

約数ペア:

[(1, 31937880), (2, 15968940), (3, 10645960), (4, 7984470), (5, 6387576), (6, 5322980), (8, 3992235), (10, 3193788), (12, 2661490), (13, 2456760), (15, 2129192), (20, 1596894), (24, 1330745), (26, 1228380), (30, 1064596), (39, 818920), (40, 798447), (52, 614190), (59, 541320), (60, 532298), (65, 491352), (78, 409460), (104, 307095), (118, 270660), (120, 266149), (130, 245676), (156, 204730), (177, 180440), (195, 163784), (236, 135330), (260, 122838), (295, 108264), (312, 102365), (347, 92040), (354, 90220), (390, 81892), (472, 67665), (520, 61419), (590, 54132), (694, 46020), (708, 45110), (767, 41640), (780, 40946), (885, 36088), (1041, 30680), (1180, 27066), (1388, 23010), (1416, 22555), (1534, 20820), (1560, 20473), (1735, 18408), (1770, 18044), (2082, 15340), (2301, 13880), (2360, 13533), (2776, 11505), (3068, 10410), (3470, 9204), (3540, 9022), (3835, 8328), (4164, 7670), (4511, 7080), (4602, 6940), (5205, 6136)]