79617980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 193052160

約数和(自身を除く): 113434180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 71, 76, 95, 130, 142, 190, 227, 247, 260, 284, 355, 380, 454, 494, 710, 908, 923, 988, 1135, 1235, 1349, 1420, 1846, 2270, 2470, 2698, 2951, 3692, 4313, 4540, 4615, 4940, 5396, 5902, 6745, 8626, 9230, 11804, 13490, 14755, 16117, 17252, 17537, 18460, 21565, 26980, 29510, 32234, 35074, 43130, 56069, 59020, 64468, 70148, 80585, 86260, 87685, 112138, 161170, 175370, 209521, 224276, 280345, 306223, 322340, 350740, 419042, 560690, 612446, 838084, 1047605, 1121380, 1224892, 1531115, 2095210, 3062230, 3980899, 4190420, 6124460, 7961798, 15923596, 19904495, 39808990, 79617980]

約数ペア:

[(1, 79617980), (2, 39808990), (4, 19904495), (5, 15923596), (10, 7961798), (13, 6124460), (19, 4190420), (20, 3980899), (26, 3062230), (38, 2095210), (52, 1531115), (65, 1224892), (71, 1121380), (76, 1047605), (95, 838084), (130, 612446), (142, 560690), (190, 419042), (227, 350740), (247, 322340), (260, 306223), (284, 280345), (355, 224276), (380, 209521), (454, 175370), (494, 161170), (710, 112138), (908, 87685), (923, 86260), (988, 80585), (1135, 70148), (1235, 64468), (1349, 59020), (1420, 56069), (1846, 43130), (2270, 35074), (2470, 32234), (2698, 29510), (2951, 26980), (3692, 21565), (4313, 18460), (4540, 17537), (4615, 17252), (4940, 16117), (5396, 14755), (5902, 13490), (6745, 11804), (8626, 9230)]