307305960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{196991}}^1$

素因数の和:197018

約数の個数: 64

約数和(自身を含む): 992839680

約数和(自身を除く): 685533720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 196991, 393982, 590973, 787964, 984955, 1181946, 1575928, 1969910, 2363892, 2560883, 2954865, 3939820, 4727784, 5121766, 5909730, 7682649, 7879640, 10243532, 11819460, 12804415, 15365298, 20487064, 23638920, 25608830, 30730596, 38413245, 51217660, 61461192, 76826490, 102435320, 153652980, 307305960]

約数ペア:

[(1, 307305960), (2, 153652980), (3, 102435320), (4, 76826490), (5, 61461192), (6, 51217660), (8, 38413245), (10, 30730596), (12, 25608830), (13, 23638920), (15, 20487064), (20, 15365298), (24, 12804415), (26, 11819460), (30, 10243532), (39, 7879640), (40, 7682649), (52, 5909730), (60, 5121766), (65, 4727784), (78, 3939820), (104, 2954865), (120, 2560883), (130, 2363892), (156, 1969910), (195, 1575928), (260, 1181946), (312, 984955), (390, 787964), (520, 590973), (780, 393982), (1560, 196991)]