55403820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9929}}^1$

素因数の和:9975

約数の個数: 72

約数和(自身を含む): 173496960

約数和(自身を除く): 118093140

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, 9929, 19858, 29787, 39716, 49645, 59574, 89361, 99290, 119148, 148935, 178722, 198580, 297870, 307799, 357444, 446805, 595740, 615598, 893610, 923397, 1231196, 1538995, 1787220, 1846794, 2770191, 3077990, 3693588, 4616985, 5540382, 6155980, 9233970, 11080764, 13850955, 18467940, 27701910, 55403820]

約数ペア:

[(1, 55403820), (2, 27701910), (3, 18467940), (4, 13850955), (5, 11080764), (6, 9233970), (9, 6155980), (10, 5540382), (12, 4616985), (15, 3693588), (18, 3077990), (20, 2770191), (30, 1846794), (31, 1787220), (36, 1538995), (45, 1231196), (60, 923397), (62, 893610), (90, 615598), (93, 595740), (124, 446805), (155, 357444), (180, 307799), (186, 297870), (279, 198580), (310, 178722), (372, 148935), (465, 119148), (558, 99290), (620, 89361), (930, 59574), (1116, 49645), (1395, 39716), (1860, 29787), (2790, 19858), (5580, 9929)]