40730520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2591}}^1$

素因数の和:2736

約数の個数: 64

約数和(自身を含む): 123171840

約数和(自身を除く): 82441320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2591, 2620, 3144, 3930, 5182, 5240, 7773, 7860, 10364, 12955, 15546, 15720, 20728, 25910, 31092, 38865, 51820, 62184, 77730, 103640, 155460, 310920, 339421, 678842, 1018263, 1357684, 1697105, 2036526, 2715368, 3394210, 4073052, 5091315, 6788420, 8146104, 10182630, 13576840, 20365260, 40730520]

約数ペア:

[(1, 40730520), (2, 20365260), (3, 13576840), (4, 10182630), (5, 8146104), (6, 6788420), (8, 5091315), (10, 4073052), (12, 3394210), (15, 2715368), (20, 2036526), (24, 1697105), (30, 1357684), (40, 1018263), (60, 678842), (120, 339421), (131, 310920), (262, 155460), (393, 103640), (524, 77730), (655, 62184), (786, 51820), (1048, 38865), (1310, 31092), (1572, 25910), (1965, 20728), (2591, 15720), (2620, 15546), (3144, 12955), (3930, 10364), (5182, 7860), (5240, 7773)]