628045120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63311}}^1$

素因数の和:63359

約数の個数: 56

約数和(自身を含む): 1543799808

約数和(自身を除く): 915754688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 63311, 126622, 253244, 316555, 506488, 633110, 1012976, 1266220, 1962641, 2025952, 2532440, 3925282, 4051904, 5064880, 7850564, 9813205, 10129760, 15701128, 19626410, 20259520, 31402256, 39252820, 62804512, 78505640, 125609024, 157011280, 314022560, 628045120]

約数ペア:

[(1, 628045120), (2, 314022560), (4, 157011280), (5, 125609024), (8, 78505640), (10, 62804512), (16, 39252820), (20, 31402256), (31, 20259520), (32, 19626410), (40, 15701128), (62, 10129760), (64, 9813205), (80, 7850564), (124, 5064880), (155, 4051904), (160, 3925282), (248, 2532440), (310, 2025952), (320, 1962641), (496, 1266220), (620, 1012976), (992, 633110), (1240, 506488), (1984, 316555), (2480, 253244), (4960, 126622), (9920, 63311)]