1620163840

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13049}}^1$

素因数の和:13167

約数の個数: 72

約数和(自身を含む): 3921107400

約数和(自身を除く): 2300943560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 640, 776, 970, 1280, 1552, 1940, 3104, 3880, 6208, 7760, 12416, 13049, 15520, 24832, 26098, 31040, 52196, 62080, 65245, 104392, 124160, 130490, 208784, 260980, 417568, 521960, 835136, 1043920, 1265753, 1670272, 2087840, 2531506, 3340544, 4175680, 5063012, 6328765, 8351360, 10126024, 12657530, 16702720, 20252048, 25315060, 40504096, 50630120, 81008192, 101260240, 162016384, 202520480, 324032768, 405040960, 810081920, 1620163840]

約数ペア:

[(1, 1620163840), (2, 810081920), (4, 405040960), (5, 324032768), (8, 202520480), (10, 162016384), (16, 101260240), (20, 81008192), (32, 50630120), (40, 40504096), (64, 25315060), (80, 20252048), (97, 16702720), (128, 12657530), (160, 10126024), (194, 8351360), (256, 6328765), (320, 5063012), (388, 4175680), (485, 3340544), (640, 2531506), (776, 2087840), (970, 1670272), (1280, 1265753), (1552, 1043920), (1940, 835136), (3104, 521960), (3880, 417568), (6208, 260980), (7760, 208784), (12416, 130490), (13049, 124160), (15520, 104392), (24832, 65245), (26098, 62080), (31040, 52196)]