77432420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 182004480

約数和(自身を除く): 104572060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 739, 806, 845, 1478, 1612, 1690, 2015, 2956, 3380, 3695, 4030, 5239, 7390, 8060, 9607, 10478, 14780, 19214, 20956, 22909, 26195, 38428, 45818, 48035, 52390, 91636, 96070, 104780, 114545, 124891, 192140, 229090, 249782, 297817, 458180, 499564, 595634, 624455, 1191268, 1248910, 1489085, 2497820, 2978170, 3871621, 5956340, 7743242, 15486484, 19358105, 38716210, 77432420]

約数ペア:

[(1, 77432420), (2, 38716210), (4, 19358105), (5, 15486484), (10, 7743242), (13, 5956340), (20, 3871621), (26, 2978170), (31, 2497820), (52, 1489085), (62, 1248910), (65, 1191268), (124, 624455), (130, 595634), (155, 499564), (169, 458180), (260, 297817), (310, 249782), (338, 229090), (403, 192140), (620, 124891), (676, 114545), (739, 104780), (806, 96070), (845, 91636), (1478, 52390), (1612, 48035), (1690, 45818), (2015, 38428), (2956, 26195), (3380, 22909), (3695, 20956), (4030, 19214), (5239, 14780), (7390, 10478), (8060, 9607)]