30911280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 100111152

約数和(自身を除く): 69199872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 59, 60, 74, 80, 111, 118, 120, 148, 177, 185, 222, 236, 240, 295, 296, 354, 370, 444, 472, 555, 590, 592, 708, 740, 885, 888, 944, 1110, 1180, 1416, 1480, 1770, 1776, 2183, 2220, 2360, 2832, 2960, 3481, 3540, 4366, 4440, 4720, 6549, 6962, 7080, 8732, 8880, 10443, 10915, 13098, 13924, 14160, 17405, 17464, 20886, 21830, 26196, 27848, 32745, 34810, 34928, 41772, 43660, 52215, 52392, 55696, 65490, 69620, 83544, 87320, 104430, 104784, 128797, 130980, 139240, 167088, 174640, 208860, 257594, 261960, 278480, 386391, 417720, 515188, 523920, 643985, 772782, 835440, 1030376, 1287970, 1545564, 1931955, 2060752, 2575940, 3091128, 3863910, 5151880, 6182256, 7727820, 10303760, 15455640, 30911280]

約数ペア:

[(1, 30911280), (2, 15455640), (3, 10303760), (4, 7727820), (5, 6182256), (6, 5151880), (8, 3863910), (10, 3091128), (12, 2575940), (15, 2060752), (16, 1931955), (20, 1545564), (24, 1287970), (30, 1030376), (37, 835440), (40, 772782), (48, 643985), (59, 523920), (60, 515188), (74, 417720), (80, 386391), (111, 278480), (118, 261960), (120, 257594), (148, 208860), (177, 174640), (185, 167088), (222, 139240), (236, 130980), (240, 128797), (295, 104784), (296, 104430), (354, 87320), (370, 83544), (444, 69620), (472, 65490), (555, 55696), (590, 52392), (592, 52215), (708, 43660), (740, 41772), (885, 34928), (888, 34810), (944, 32745), (1110, 27848), (1180, 26196), (1416, 21830), (1480, 20886), (1770, 17464), (1776, 17405), (2183, 14160), (2220, 13924), (2360, 13098), (2832, 10915), (2960, 10443), (3481, 8880), (3540, 8732), (4366, 7080), (4440, 6962), (4720, 6549)]