1618089980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:975

約数の個数: 96

約数和(自身を含む): 3746481984

約数和(自身を除く): 2128392004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 97, 130, 166, 194, 260, 332, 388, 415, 485, 773, 830, 970, 1079, 1261, 1546, 1660, 1940, 2158, 2522, 3092, 3865, 4316, 5044, 5395, 6305, 7730, 8051, 10049, 10790, 12610, 15460, 16102, 20098, 21580, 25220, 32204, 40196, 40255, 50245, 64159, 74981, 80510, 100490, 104663, 128318, 149962, 161020, 200980, 209326, 256636, 299924, 320795, 374905, 418652, 523315, 641590, 749810, 834067, 974753, 1046630, 1283180, 1499620, 1668134, 1949506, 2093260, 3336268, 3899012, 4170335, 4873765, 6223423, 8340670, 9747530, 12446846, 16681340, 19495060, 24893692, 31117115, 62234230, 80904499, 124468460, 161808998, 323617996, 404522495, 809044990, 1618089980]

約数ペア:

[(1, 1618089980), (2, 809044990), (4, 404522495), (5, 323617996), (10, 161808998), (13, 124468460), (20, 80904499), (26, 62234230), (52, 31117115), (65, 24893692), (83, 19495060), (97, 16681340), (130, 12446846), (166, 9747530), (194, 8340670), (260, 6223423), (332, 4873765), (388, 4170335), (415, 3899012), (485, 3336268), (773, 2093260), (830, 1949506), (970, 1668134), (1079, 1499620), (1261, 1283180), (1546, 1046630), (1660, 974753), (1940, 834067), (2158, 749810), (2522, 641590), (3092, 523315), (3865, 418652), (4316, 374905), (5044, 320795), (5395, 299924), (6305, 256636), (7730, 209326), (8051, 200980), (10049, 161020), (10790, 149962), (12610, 128318), (15460, 104663), (16102, 100490), (20098, 80510), (21580, 74981), (25220, 64159), (32204, 50245), (40196, 40255)]