180717280

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 441389088

約数和(自身を除く): 260671808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 101, 106, 160, 202, 211, 212, 265, 404, 422, 424, 505, 530, 808, 844, 848, 1010, 1055, 1060, 1616, 1688, 1696, 2020, 2110, 2120, 3232, 3376, 4040, 4220, 4240, 5353, 6752, 8080, 8440, 8480, 10706, 11183, 16160, 16880, 21311, 21412, 22366, 26765, 33760, 42622, 42824, 44732, 53530, 55915, 85244, 85648, 89464, 106555, 107060, 111830, 170488, 171296, 178928, 213110, 214120, 223660, 340976, 357856, 426220, 428240, 447320, 681952, 852440, 856480, 894640, 1129483, 1704880, 1789280, 2258966, 3409760, 4517932, 5647415, 9035864, 11294830, 18071728, 22589660, 36143456, 45179320, 90358640, 180717280]

約数ペア:

[(1, 180717280), (2, 90358640), (4, 45179320), (5, 36143456), (8, 22589660), (10, 18071728), (16, 11294830), (20, 9035864), (32, 5647415), (40, 4517932), (53, 3409760), (80, 2258966), (101, 1789280), (106, 1704880), (160, 1129483), (202, 894640), (211, 856480), (212, 852440), (265, 681952), (404, 447320), (422, 428240), (424, 426220), (505, 357856), (530, 340976), (808, 223660), (844, 214120), (848, 213110), (1010, 178928), (1055, 171296), (1060, 170488), (1616, 111830), (1688, 107060), (1696, 106555), (2020, 89464), (2110, 85648), (2120, 85244), (3232, 55915), (3376, 53530), (4040, 44732), (4220, 42824), (4240, 42622), (5353, 33760), (6752, 26765), (8080, 22366), (8440, 21412), (8480, 21311), (10706, 16880), (11183, 16160)]