858990420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{176747}}^1$

素因数の和:176771

約数の個数: 72

約数和(自身を含む): 2702123424

約数和(自身を除く): 1843133004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 176747, 353494, 530241, 706988, 883735, 1060482, 1590723, 1767470, 2120964, 2651205, 3181446, 3534940, 4772169, 5302410, 6362892, 7953615, 9544338, 10604820, 14316507, 15907230, 19088676, 23860845, 28633014, 31814460, 42949521, 47721690, 57266028, 71582535, 85899042, 95443380, 143165070, 171798084, 214747605, 286330140, 429495210, 858990420]

約数ペア:

[(1, 858990420), (2, 429495210), (3, 286330140), (4, 214747605), (5, 171798084), (6, 143165070), (9, 95443380), (10, 85899042), (12, 71582535), (15, 57266028), (18, 47721690), (20, 42949521), (27, 31814460), (30, 28633014), (36, 23860845), (45, 19088676), (54, 15907230), (60, 14316507), (81, 10604820), (90, 9544338), (108, 7953615), (135, 6362892), (162, 5302410), (180, 4772169), (243, 3534940), (270, 3181446), (324, 2651205), (405, 2120964), (486, 1767470), (540, 1590723), (810, 1060482), (972, 883735), (1215, 706988), (1620, 530241), (2430, 353494), (4860, 176747)]