30445291280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{43991}}^1$

素因数の和:44256

約数の個数: 80

約数和(自身を含む): 72857086848

約数和(自身を除く): 42411795568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 211, 328, 410, 422, 656, 820, 844, 1055, 1640, 1688, 2110, 3280, 3376, 4220, 8440, 8651, 16880, 17302, 34604, 43255, 43991, 69208, 86510, 87982, 138416, 173020, 175964, 219955, 346040, 351928, 439910, 692080, 703856, 879820, 1759640, 1803631, 3519280, 3607262, 7214524, 9018155, 9282101, 14429048, 18036310, 18564202, 28858096, 36072620, 37128404, 46410505, 72145240, 74256808, 92821010, 144290480, 148513616, 185642020, 371284040, 380566141, 742568080, 761132282, 1522264564, 1902830705, 3044529128, 3805661410, 6089058256, 7611322820, 15222645640, 30445291280]

約数ペア:

[(1, 30445291280), (2, 15222645640), (4, 7611322820), (5, 6089058256), (8, 3805661410), (10, 3044529128), (16, 1902830705), (20, 1522264564), (40, 761132282), (41, 742568080), (80, 380566141), (82, 371284040), (164, 185642020), (205, 148513616), (211, 144290480), (328, 92821010), (410, 74256808), (422, 72145240), (656, 46410505), (820, 37128404), (844, 36072620), (1055, 28858096), (1640, 18564202), (1688, 18036310), (2110, 14429048), (3280, 9282101), (3376, 9018155), (4220, 7214524), (8440, 3607262), (8651, 3519280), (16880, 1803631), (17302, 1759640), (34604, 879820), (43255, 703856), (43991, 692080), (69208, 439910), (86510, 351928), (87982, 346040), (138416, 219955), (173020, 175964)]