3801688720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{80681}}^1$

素因数の和:80744

約数の個数: 80

約数和(自身を含む): 9604385280

約数和(自身を除く): 5802696560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 47120, 80681, 161362, 322724, 403405, 645448, 806810, 1290896, 1532939, 1613620, 2501111, 3065878, 3227240, 5002222, 6131756, 6454480, 7664695, 10004444, 12263512, 12505555, 15329390, 20008888, 24527024, 25011110, 30658780, 40017776, 47521109, 50022220, 61317560, 95042218, 100044440, 122635120, 190084436, 200088880, 237605545, 380168872, 475211090, 760337744, 950422180, 1900844360, 3801688720]

約数ペア:

[(1, 3801688720), (2, 1900844360), (4, 950422180), (5, 760337744), (8, 475211090), (10, 380168872), (16, 237605545), (19, 200088880), (20, 190084436), (31, 122635120), (38, 100044440), (40, 95042218), (62, 61317560), (76, 50022220), (80, 47521109), (95, 40017776), (124, 30658780), (152, 25011110), (155, 24527024), (190, 20008888), (248, 15329390), (304, 12505555), (310, 12263512), (380, 10004444), (496, 7664695), (589, 6454480), (620, 6131756), (760, 5002222), (1178, 3227240), (1240, 3065878), (1520, 2501111), (2356, 1613620), (2480, 1532939), (2945, 1290896), (4712, 806810), (5890, 645448), (9424, 403405), (11780, 322724), (23560, 161362), (47120, 80681)]