31103880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 100569600

約数和(自身を除く): 69465720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 79, 85, 102, 120, 136, 158, 170, 193, 204, 237, 255, 316, 340, 386, 395, 408, 474, 510, 579, 632, 680, 772, 790, 948, 965, 1020, 1158, 1185, 1343, 1544, 1580, 1896, 1930, 2040, 2316, 2370, 2686, 2895, 3160, 3281, 3860, 4029, 4632, 4740, 5372, 5790, 6562, 6715, 7720, 8058, 9480, 9843, 10744, 11580, 13124, 13430, 15247, 16116, 16405, 19686, 20145, 23160, 26248, 26860, 30494, 32232, 32810, 39372, 40290, 45741, 49215, 53720, 60988, 65620, 76235, 78744, 80580, 91482, 98430, 121976, 131240, 152470, 161160, 182964, 196860, 228705, 259199, 304940, 365928, 393720, 457410, 518398, 609880, 777597, 914820, 1036796, 1295995, 1555194, 1829640, 2073592, 2591990, 3110388, 3887985, 5183980, 6220776, 7775970, 10367960, 15551940, 31103880]

約数ペア:

[(1, 31103880), (2, 15551940), (3, 10367960), (4, 7775970), (5, 6220776), (6, 5183980), (8, 3887985), (10, 3110388), (12, 2591990), (15, 2073592), (17, 1829640), (20, 1555194), (24, 1295995), (30, 1036796), (34, 914820), (40, 777597), (51, 609880), (60, 518398), (68, 457410), (79, 393720), (85, 365928), (102, 304940), (120, 259199), (136, 228705), (158, 196860), (170, 182964), (193, 161160), (204, 152470), (237, 131240), (255, 121976), (316, 98430), (340, 91482), (386, 80580), (395, 78744), (408, 76235), (474, 65620), (510, 60988), (579, 53720), (632, 49215), (680, 45741), (772, 40290), (790, 39372), (948, 32810), (965, 32232), (1020, 30494), (1158, 26860), (1185, 26248), (1343, 23160), (1544, 20145), (1580, 19686), (1896, 16405), (1930, 16116), (2040, 15247), (2316, 13430), (2370, 13124), (2686, 11580), (2895, 10744), (3160, 9843), (3281, 9480), (3860, 8058), (4029, 7720), (4632, 6715), (4740, 6562), (5372, 5790)]