31606120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 92332800

約数和(自身を除く): 60726680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 457, 494, 520, 532, 665, 728, 760, 910, 914, 988, 1064, 1235, 1330, 1729, 1820, 1828, 1976, 2285, 2470, 2660, 3199, 3458, 3640, 3656, 4570, 4940, 5320, 5941, 6398, 6916, 8645, 8683, 9140, 9880, 11882, 12796, 13832, 15995, 17290, 17366, 18280, 23764, 25592, 29705, 31990, 34580, 34732, 41587, 43415, 47528, 59410, 60781, 63980, 69160, 69464, 83174, 86830, 112879, 118820, 121562, 127960, 166348, 173660, 207935, 225758, 237640, 243124, 303905, 332696, 347320, 415870, 451516, 486248, 564395, 607810, 790153, 831740, 903032, 1128790, 1215620, 1580306, 1663480, 2257580, 2431240, 3160612, 3950765, 4515160, 6321224, 7901530, 15803060, 31606120]

約数ペア:

[(1, 31606120), (2, 15803060), (4, 7901530), (5, 6321224), (7, 4515160), (8, 3950765), (10, 3160612), (13, 2431240), (14, 2257580), (19, 1663480), (20, 1580306), (26, 1215620), (28, 1128790), (35, 903032), (38, 831740), (40, 790153), (52, 607810), (56, 564395), (65, 486248), (70, 451516), (76, 415870), (91, 347320), (95, 332696), (104, 303905), (130, 243124), (133, 237640), (140, 225758), (152, 207935), (182, 173660), (190, 166348), (247, 127960), (260, 121562), (266, 118820), (280, 112879), (364, 86830), (380, 83174), (455, 69464), (457, 69160), (494, 63980), (520, 60781), (532, 59410), (665, 47528), (728, 43415), (760, 41587), (910, 34732), (914, 34580), (988, 31990), (1064, 29705), (1235, 25592), (1330, 23764), (1729, 18280), (1820, 17366), (1828, 17290), (1976, 15995), (2285, 13832), (2470, 12796), (2660, 11882), (3199, 9880), (3458, 9140), (3640, 8683), (3656, 8645), (4570, 6916), (4940, 6398), (5320, 5941)]