261419580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5399}}^1$

素因数の和:5683

約数の個数: 72

約数和(自身を含む): 796068000

約数和(自身を除く): 534648420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1614, 2421, 2690, 3228, 4035, 4842, 5380, 5399, 8070, 9684, 10798, 12105, 16140, 16197, 21596, 24210, 26995, 32394, 48420, 48591, 53990, 64788, 80985, 97182, 107980, 161970, 194364, 242955, 323940, 485910, 971820, 1452331, 2904662, 4356993, 5809324, 7261655, 8713986, 13070979, 14523310, 17427972, 21784965, 26141958, 29046620, 43569930, 52283916, 65354895, 87139860, 130709790, 261419580]

約数ペア:

[(1, 261419580), (2, 130709790), (3, 87139860), (4, 65354895), (5, 52283916), (6, 43569930), (9, 29046620), (10, 26141958), (12, 21784965), (15, 17427972), (18, 14523310), (20, 13070979), (30, 8713986), (36, 7261655), (45, 5809324), (60, 4356993), (90, 2904662), (180, 1452331), (269, 971820), (538, 485910), (807, 323940), (1076, 242955), (1345, 194364), (1614, 161970), (2421, 107980), (2690, 97182), (3228, 80985), (4035, 64788), (4842, 53990), (5380, 48591), (5399, 48420), (8070, 32394), (9684, 26995), (10798, 24210), (12105, 21596), (16140, 16197)]