815480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 64

約数和(自身を含む): 2052000

約数和(自身を除く): 1236520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 37, 38, 40, 58, 74, 76, 95, 116, 145, 148, 152, 185, 190, 232, 290, 296, 370, 380, 551, 580, 703, 740, 760, 1073, 1102, 1160, 1406, 1480, 2146, 2204, 2755, 2812, 3515, 4292, 4408, 5365, 5510, 5624, 7030, 8584, 10730, 11020, 14060, 20387, 21460, 22040, 28120, 40774, 42920, 81548, 101935, 163096, 203870, 407740, 815480]

約数ペア:

[(1, 815480), (2, 407740), (4, 203870), (5, 163096), (8, 101935), (10, 81548), (19, 42920), (20, 40774), (29, 28120), (37, 22040), (38, 21460), (40, 20387), (58, 14060), (74, 11020), (76, 10730), (95, 8584), (116, 7030), (145, 5624), (148, 5510), (152, 5365), (185, 4408), (190, 4292), (232, 3515), (290, 2812), (296, 2755), (370, 2204), (380, 2146), (551, 1480), (580, 1406), (703, 1160), (740, 1102), (760, 1073)]