72877480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 177584400

約数和(自身を除く): 104706920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 269, 520, 521, 538, 1042, 1076, 1345, 2084, 2152, 2605, 2690, 3497, 4168, 5210, 5380, 6773, 6994, 10420, 10760, 13546, 13988, 17485, 20840, 27092, 27976, 33865, 34970, 54184, 67730, 69940, 135460, 139880, 140149, 270920, 280298, 560596, 700745, 1121192, 1401490, 1821937, 2802980, 3643874, 5605960, 7287748, 9109685, 14575496, 18219370, 36438740, 72877480]

約数ペア:

[(1, 72877480), (2, 36438740), (4, 18219370), (5, 14575496), (8, 9109685), (10, 7287748), (13, 5605960), (20, 3643874), (26, 2802980), (40, 1821937), (52, 1401490), (65, 1121192), (104, 700745), (130, 560596), (260, 280298), (269, 270920), (520, 140149), (521, 139880), (538, 135460), (1042, 69940), (1076, 67730), (1345, 54184), (2084, 34970), (2152, 33865), (2605, 27976), (2690, 27092), (3497, 20840), (4168, 17485), (5210, 13988), (5380, 13546), (6773, 10760), (6994, 10420)]