163213520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{829}}^1$

素因数の和:972

約数の個数: 80

約数和(自身を含む): 400152960

約数和(自身を除く): 236939440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 107, 115, 184, 214, 230, 368, 428, 460, 535, 829, 856, 920, 1070, 1658, 1712, 1840, 2140, 2461, 3316, 4145, 4280, 4922, 6632, 8290, 8560, 9844, 12305, 13264, 16580, 19067, 19688, 24610, 33160, 38134, 39376, 49220, 66320, 76268, 88703, 95335, 98440, 152536, 177406, 190670, 196880, 305072, 354812, 381340, 443515, 709624, 762680, 887030, 1419248, 1525360, 1774060, 2040169, 3548120, 4080338, 7096240, 8160676, 10200845, 16321352, 20401690, 32642704, 40803380, 81606760, 163213520]

約数ペア:

[(1, 163213520), (2, 81606760), (4, 40803380), (5, 32642704), (8, 20401690), (10, 16321352), (16, 10200845), (20, 8160676), (23, 7096240), (40, 4080338), (46, 3548120), (80, 2040169), (92, 1774060), (107, 1525360), (115, 1419248), (184, 887030), (214, 762680), (230, 709624), (368, 443515), (428, 381340), (460, 354812), (535, 305072), (829, 196880), (856, 190670), (920, 177406), (1070, 152536), (1658, 98440), (1712, 95335), (1840, 88703), (2140, 76268), (2461, 66320), (3316, 49220), (4145, 39376), (4280, 38134), (4922, 33160), (6632, 24610), (8290, 19688), (8560, 19067), (9844, 16580), (12305, 13264)]