1520402380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{251}}^1\times {\mathrm{883}}^1$

素因数の和:1164

約数の個数: 96

約数和(自身を含む): 3742502400

約数和(自身を除く): 2222100020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 343, 490, 502, 686, 883, 980, 1004, 1255, 1372, 1715, 1757, 1766, 2510, 3430, 3514, 3532, 4415, 5020, 6181, 6860, 7028, 8785, 8830, 12299, 12362, 17570, 17660, 24598, 24724, 30905, 35140, 43267, 49196, 61495, 61810, 86093, 86534, 122990, 123620, 172186, 173068, 216335, 221633, 245980, 302869, 344372, 430465, 432670, 443266, 605738, 860930, 865340, 886532, 1108165, 1211476, 1514345, 1551431, 1721860, 2216330, 3028690, 3102862, 4432660, 6057380, 6205724, 7757155, 10860017, 15514310, 21720034, 31028620, 43440068, 54300085, 76020119, 108600170, 152040238, 217200340, 304080476, 380100595, 760201190, 1520402380]

約数ペア:

[(1, 1520402380), (2, 760201190), (4, 380100595), (5, 304080476), (7, 217200340), (10, 152040238), (14, 108600170), (20, 76020119), (28, 54300085), (35, 43440068), (49, 31028620), (70, 21720034), (98, 15514310), (140, 10860017), (196, 7757155), (245, 6205724), (251, 6057380), (343, 4432660), (490, 3102862), (502, 3028690), (686, 2216330), (883, 1721860), (980, 1551431), (1004, 1514345), (1255, 1211476), (1372, 1108165), (1715, 886532), (1757, 865340), (1766, 860930), (2510, 605738), (3430, 443266), (3514, 432670), (3532, 430465), (4415, 344372), (5020, 302869), (6181, 245980), (6860, 221633), (7028, 216335), (8785, 173068), (8830, 172186), (12299, 123620), (12362, 122990), (17570, 86534), (17660, 86093), (24598, 61810), (24724, 61495), (30905, 49196), (35140, 43267)]