54815440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^3$

素因数の和:129

約数の個数: 80

約数和(自身を含む): 137419776

約数和(自身を除く): 82604336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 961, 1240, 1426, 1840, 1922, 2480, 2852, 3565, 3844, 4805, 5704, 7130, 7688, 9610, 11408, 14260, 15376, 19220, 22103, 28520, 29791, 38440, 44206, 57040, 59582, 76880, 88412, 110515, 119164, 148955, 176824, 221030, 238328, 297910, 353648, 442060, 476656, 595820, 685193, 884120, 1191640, 1370386, 1768240, 2383280, 2740772, 3425965, 5481544, 6851930, 10963088, 13703860, 27407720, 54815440]

約数ペア:

[(1, 54815440), (2, 27407720), (4, 13703860), (5, 10963088), (8, 6851930), (10, 5481544), (16, 3425965), (20, 2740772), (23, 2383280), (31, 1768240), (40, 1370386), (46, 1191640), (62, 884120), (80, 685193), (92, 595820), (115, 476656), (124, 442060), (155, 353648), (184, 297910), (230, 238328), (248, 221030), (310, 176824), (368, 148955), (460, 119164), (496, 110515), (620, 88412), (713, 76880), (920, 59582), (961, 57040), (1240, 44206), (1426, 38440), (1840, 29791), (1922, 28520), (2480, 22103), (2852, 19220), (3565, 15376), (3844, 14260), (4805, 11408), (5704, 9610), (7130, 7688)]