51115740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^2$

素因数の和:180

約数の個数: 108

約数和(自身を含む): 157194072

約数和(自身を除く): 106078332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 71, 78, 130, 142, 156, 169, 195, 213, 260, 284, 338, 355, 390, 426, 507, 676, 710, 780, 845, 852, 923, 1014, 1065, 1420, 1690, 1846, 2028, 2130, 2535, 2769, 3380, 3692, 4260, 4615, 5041, 5070, 5538, 9230, 10082, 10140, 11076, 11999, 13845, 15123, 18460, 20164, 23998, 25205, 27690, 30246, 35997, 47996, 50410, 55380, 59995, 60492, 65533, 71994, 75615, 100820, 119990, 131066, 143988, 151230, 179985, 196599, 239980, 262132, 302460, 327665, 359970, 393198, 655330, 719940, 786396, 851929, 982995, 1310660, 1703858, 1965990, 2555787, 3407716, 3931980, 4259645, 5111574, 8519290, 10223148, 12778935, 17038580, 25557870, 51115740]

約数ペア:

[(1, 51115740), (2, 25557870), (3, 17038580), (4, 12778935), (5, 10223148), (6, 8519290), (10, 5111574), (12, 4259645), (13, 3931980), (15, 3407716), (20, 2555787), (26, 1965990), (30, 1703858), (39, 1310660), (52, 982995), (60, 851929), (65, 786396), (71, 719940), (78, 655330), (130, 393198), (142, 359970), (156, 327665), (169, 302460), (195, 262132), (213, 239980), (260, 196599), (284, 179985), (338, 151230), (355, 143988), (390, 131066), (426, 119990), (507, 100820), (676, 75615), (710, 71994), (780, 65533), (845, 60492), (852, 59995), (923, 55380), (1014, 50410), (1065, 47996), (1420, 35997), (1690, 30246), (1846, 27690), (2028, 25205), (2130, 23998), (2535, 20164), (2769, 18460), (3380, 15123), (3692, 13845), (4260, 11999), (4615, 11076), (5041, 10140), (5070, 10082), (5538, 9230)]