155315440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5233}}^1$

素因数の和:5306

約数の個数: 80

約数和(自身を含む): 420562368

約数和(自身を除く): 265246928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 5233, 5936, 7420, 10466, 14840, 20932, 26165, 29680, 36631, 41864, 52330, 73262, 83728, 104660, 146524, 183155, 209320, 277349, 293048, 366310, 418640, 554698, 586096, 732620, 1109396, 1386745, 1465240, 1941443, 2218792, 2773490, 2930480, 3882886, 4437584, 5546980, 7765772, 9707215, 11093960, 15531544, 19414430, 22187920, 31063088, 38828860, 77657720, 155315440]

約数ペア:

[(1, 155315440), (2, 77657720), (4, 38828860), (5, 31063088), (7, 22187920), (8, 19414430), (10, 15531544), (14, 11093960), (16, 9707215), (20, 7765772), (28, 5546980), (35, 4437584), (40, 3882886), (53, 2930480), (56, 2773490), (70, 2218792), (80, 1941443), (106, 1465240), (112, 1386745), (140, 1109396), (212, 732620), (265, 586096), (280, 554698), (371, 418640), (424, 366310), (530, 293048), (560, 277349), (742, 209320), (848, 183155), (1060, 146524), (1484, 104660), (1855, 83728), (2120, 73262), (2968, 52330), (3710, 41864), (4240, 36631), (5233, 29680), (5936, 26165), (7420, 20932), (10466, 14840)]