247485780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{50923}}^1$

素因数の和:50947

約数の個数: 72

約数和(自身を含む): 778526112

約数和(自身を除く): 531040332

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, 50923, 101846, 152769, 203692, 254615, 305538, 458307, 509230, 611076, 763845, 916614, 1018460, 1374921, 1527690, 1833228, 2291535, 2749842, 3055380, 4124763, 4583070, 5499684, 6874605, 8249526, 9166140, 12374289, 13749210, 16499052, 20623815, 24748578, 27498420, 41247630, 49497156, 61871445, 82495260, 123742890, 247485780]

約数ペア:

[(1, 247485780), (2, 123742890), (3, 82495260), (4, 61871445), (5, 49497156), (6, 41247630), (9, 27498420), (10, 24748578), (12, 20623815), (15, 16499052), (18, 13749210), (20, 12374289), (27, 9166140), (30, 8249526), (36, 6874605), (45, 5499684), (54, 4583070), (60, 4124763), (81, 3055380), (90, 2749842), (108, 2291535), (135, 1833228), (162, 1527690), (180, 1374921), (243, 1018460), (270, 916614), (324, 763845), (405, 611076), (486, 509230), (540, 458307), (810, 305538), (972, 254615), (1215, 203692), (1620, 152769), (2430, 101846), (4860, 50923)]