157435720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1093}}^1$

素因数の和:1394

約数の個数: 64

約数和(自身を含む): 383206320

約数和(自身を除く): 225770600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 520, 554, 1093, 1108, 1385, 2186, 2216, 2770, 3601, 4372, 5465, 5540, 7202, 8744, 10930, 11080, 14209, 14404, 18005, 21860, 28418, 28808, 36010, 43720, 56836, 71045, 72020, 113672, 142090, 144040, 284180, 302761, 568360, 605522, 1211044, 1513805, 2422088, 3027610, 3935893, 6055220, 7871786, 12110440, 15743572, 19679465, 31487144, 39358930, 78717860, 157435720]

約数ペア:

[(1, 157435720), (2, 78717860), (4, 39358930), (5, 31487144), (8, 19679465), (10, 15743572), (13, 12110440), (20, 7871786), (26, 6055220), (40, 3935893), (52, 3027610), (65, 2422088), (104, 1513805), (130, 1211044), (260, 605522), (277, 568360), (520, 302761), (554, 284180), (1093, 144040), (1108, 142090), (1385, 113672), (2186, 72020), (2216, 71045), (2770, 56836), (3601, 43720), (4372, 36010), (5465, 28808), (5540, 28418), (7202, 21860), (8744, 18005), (10930, 14404), (11080, 14209)]