80016540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2521}}^1$

素因数の和:2579

約数の個数: 72

約数和(自身を含む): 234303888

約数和(自身を除く): 154287348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 1058, 1380, 1587, 2116, 2521, 2645, 3174, 5042, 5290, 6348, 7563, 7935, 10084, 10580, 12605, 15126, 15870, 25210, 30252, 31740, 37815, 50420, 57983, 75630, 115966, 151260, 173949, 231932, 289915, 347898, 579830, 695796, 869745, 1159660, 1333609, 1739490, 2667218, 3478980, 4000827, 5334436, 6668045, 8001654, 13336090, 16003308, 20004135, 26672180, 40008270, 80016540]

約数ペア:

[(1, 80016540), (2, 40008270), (3, 26672180), (4, 20004135), (5, 16003308), (6, 13336090), (10, 8001654), (12, 6668045), (15, 5334436), (20, 4000827), (23, 3478980), (30, 2667218), (46, 1739490), (60, 1333609), (69, 1159660), (92, 869745), (115, 695796), (138, 579830), (230, 347898), (276, 289915), (345, 231932), (460, 173949), (529, 151260), (690, 115966), (1058, 75630), (1380, 57983), (1587, 50420), (2116, 37815), (2521, 31740), (2645, 30252), (3174, 25210), (5042, 15870), (5290, 15126), (6348, 12605), (7563, 10580), (7935, 10084)]