405994860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{25343}}^1$

素因数の和:25447

約数の個数: 72

約数和(自身を含む): 1245404160

約数和(自身を除く): 839409300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 16020, 25343, 50686, 76029, 101372, 126715, 152058, 228087, 253430, 304116, 380145, 456174, 506860, 760290, 912348, 1140435, 1520580, 2255527, 2280870, 4511054, 4561740, 6766581, 9022108, 11277635, 13533162, 20299743, 22555270, 27066324, 33832905, 40599486, 45110540, 67665810, 81198972, 101498715, 135331620, 202997430, 405994860]

約数ペア:

[(1, 405994860), (2, 202997430), (3, 135331620), (4, 101498715), (5, 81198972), (6, 67665810), (9, 45110540), (10, 40599486), (12, 33832905), (15, 27066324), (18, 22555270), (20, 20299743), (30, 13533162), (36, 11277635), (45, 9022108), (60, 6766581), (89, 4561740), (90, 4511054), (178, 2280870), (180, 2255527), (267, 1520580), (356, 1140435), (445, 912348), (534, 760290), (801, 506860), (890, 456174), (1068, 380145), (1335, 304116), (1602, 253430), (1780, 228087), (2670, 152058), (3204, 126715), (4005, 101372), (5340, 76029), (8010, 50686), (16020, 25343)]