40906980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7331}}^1$

素因数の和:7377

約数の個数: 72

約数和(自身を含む): 128104704

約数和(自身を除く): 87197724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 7331, 14662, 21993, 29324, 36655, 43986, 65979, 73310, 87972, 109965, 131958, 146620, 219930, 227261, 263916, 329895, 439860, 454522, 659790, 681783, 909044, 1136305, 1319580, 1363566, 2045349, 2272610, 2727132, 3408915, 4090698, 4545220, 6817830, 8181396, 10226745, 13635660, 20453490, 40906980]

約数ペア:

[(1, 40906980), (2, 20453490), (3, 13635660), (4, 10226745), (5, 8181396), (6, 6817830), (9, 4545220), (10, 4090698), (12, 3408915), (15, 2727132), (18, 2272610), (20, 2045349), (30, 1363566), (31, 1319580), (36, 1136305), (45, 909044), (60, 681783), (62, 659790), (90, 454522), (93, 439860), (124, 329895), (155, 263916), (180, 227261), (186, 219930), (279, 146620), (310, 131958), (372, 109965), (465, 87972), (558, 73310), (620, 65979), (930, 43986), (1116, 36655), (1395, 29324), (1860, 21993), (2790, 14662), (5580, 7331)]