172305440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34739}}^1$

素因数の和:34785

約数の個数: 48

約数和(自身を含む): 420215040

約数和(自身を除く): 247909600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 34739, 69478, 138956, 173695, 277912, 347390, 555824, 694780, 1076909, 1111648, 1389560, 2153818, 2779120, 4307636, 5384545, 5558240, 8615272, 10769090, 17230544, 21538180, 34461088, 43076360, 86152720, 172305440]

約数ペア:

[(1, 172305440), (2, 86152720), (4, 43076360), (5, 34461088), (8, 21538180), (10, 17230544), (16, 10769090), (20, 8615272), (31, 5558240), (32, 5384545), (40, 4307636), (62, 2779120), (80, 2153818), (124, 1389560), (155, 1111648), (160, 1076909), (248, 694780), (310, 555824), (496, 347390), (620, 277912), (992, 173695), (1240, 138956), (2480, 69478), (4960, 34739)]