72840080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1344

約数の個数: 80

約数和(自身を含む): 182559744

約数和(自身を除く): 109719664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1277, 1426, 1840, 2480, 2554, 2852, 3565, 5108, 5704, 6385, 7130, 10216, 11408, 12770, 14260, 20432, 25540, 28520, 29371, 39587, 51080, 57040, 58742, 79174, 102160, 117484, 146855, 158348, 197935, 234968, 293710, 316696, 395870, 469936, 587420, 633392, 791740, 910501, 1174840, 1583480, 1821002, 2349680, 3166960, 3642004, 4552505, 7284008, 9105010, 14568016, 18210020, 36420040, 72840080]

約数ペア:

[(1, 72840080), (2, 36420040), (4, 18210020), (5, 14568016), (8, 9105010), (10, 7284008), (16, 4552505), (20, 3642004), (23, 3166960), (31, 2349680), (40, 1821002), (46, 1583480), (62, 1174840), (80, 910501), (92, 791740), (115, 633392), (124, 587420), (155, 469936), (184, 395870), (230, 316696), (248, 293710), (310, 234968), (368, 197935), (460, 158348), (496, 146855), (620, 117484), (713, 102160), (920, 79174), (1240, 58742), (1277, 57040), (1426, 51080), (1840, 39587), (2480, 29371), (2554, 28520), (2852, 25540), (3565, 20432), (5108, 14260), (5704, 12770), (6385, 11408), (7130, 10216)]