242506680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155453}}^1$

素因数の和:155480

約数の個数: 64

約数和(自身を含む): 783488160

約数和(自身を除く): 540981480

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, 155453, 310906, 466359, 621812, 777265, 932718, 1243624, 1554530, 1865436, 2020889, 2331795, 3109060, 3730872, 4041778, 4663590, 6062667, 6218120, 8083556, 9327180, 10104445, 12125334, 16167112, 18654360, 20208890, 24250668, 30313335, 40417780, 48501336, 60626670, 80835560, 121253340, 242506680]

約数ペア:

[(1, 242506680), (2, 121253340), (3, 80835560), (4, 60626670), (5, 48501336), (6, 40417780), (8, 30313335), (10, 24250668), (12, 20208890), (13, 18654360), (15, 16167112), (20, 12125334), (24, 10104445), (26, 9327180), (30, 8083556), (39, 6218120), (40, 6062667), (52, 4663590), (60, 4041778), (65, 3730872), (78, 3109060), (104, 2331795), (120, 2020889), (130, 1865436), (156, 1554530), (195, 1243624), (260, 932718), (312, 777265), (390, 621812), (520, 466359), (780, 310906), (1560, 155453)]