731120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 80

約数和(自身を含む): 1979040

約数和(自身を除く): 1247920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 37, 38, 40, 52, 65, 74, 76, 80, 95, 104, 130, 148, 152, 185, 190, 208, 247, 260, 296, 304, 370, 380, 481, 494, 520, 592, 703, 740, 760, 962, 988, 1040, 1235, 1406, 1480, 1520, 1924, 1976, 2405, 2470, 2812, 2960, 3515, 3848, 3952, 4810, 4940, 5624, 7030, 7696, 9139, 9620, 9880, 11248, 14060, 18278, 19240, 19760, 28120, 36556, 38480, 45695, 56240, 73112, 91390, 146224, 182780, 365560, 731120]

約数ペア:

[(1, 731120), (2, 365560), (4, 182780), (5, 146224), (8, 91390), (10, 73112), (13, 56240), (16, 45695), (19, 38480), (20, 36556), (26, 28120), (37, 19760), (38, 19240), (40, 18278), (52, 14060), (65, 11248), (74, 9880), (76, 9620), (80, 9139), (95, 7696), (104, 7030), (130, 5624), (148, 4940), (152, 4810), (185, 3952), (190, 3848), (208, 3515), (247, 2960), (260, 2812), (296, 2470), (304, 2405), (370, 1976), (380, 1924), (481, 1520), (494, 1480), (520, 1406), (592, 1235), (703, 1040), (740, 988), (760, 962)]