81175510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1657

約数の個数: 64

約数和(自身を含む): 173964672

約数和(自身を除く): 92789162

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 598, 782, 1105, 1495, 1597, 1955, 2210, 2990, 3194, 3910, 5083, 7985, 10166, 15970, 20761, 25415, 27149, 36731, 41522, 50830, 54298, 73462, 103805, 135745, 183655, 207610, 271490, 352937, 367310, 477503, 624427, 705874, 955006, 1248854, 1764685, 2387515, 3122135, 3529370, 4775030, 6244270, 8117551, 16235102, 40587755, 81175510]

約数ペア:

[(1, 81175510), (2, 40587755), (5, 16235102), (10, 8117551), (13, 6244270), (17, 4775030), (23, 3529370), (26, 3122135), (34, 2387515), (46, 1764685), (65, 1248854), (85, 955006), (115, 705874), (130, 624427), (170, 477503), (221, 367310), (230, 352937), (299, 271490), (391, 207610), (442, 183655), (598, 135745), (782, 103805), (1105, 73462), (1495, 54298), (1597, 50830), (1955, 41522), (2210, 36731), (2990, 27149), (3194, 25415), (3910, 20761), (5083, 15970), (7985, 10166)]