131516840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{36131}}^1$

素因数の和:36162

約数の個数: 64

約数和(自身を含む): 364210560

約数和(自身を除く): 232693720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 36131, 72262, 144524, 180655, 252917, 289048, 361310, 469703, 505834, 722620, 939406, 1011668, 1264585, 1445240, 1878812, 2023336, 2348515, 2529170, 3287921, 3757624, 4697030, 5058340, 6575842, 9394060, 10116680, 13151684, 16439605, 18788120, 26303368, 32879210, 65758420, 131516840]

約数ペア:

[(1, 131516840), (2, 65758420), (4, 32879210), (5, 26303368), (7, 18788120), (8, 16439605), (10, 13151684), (13, 10116680), (14, 9394060), (20, 6575842), (26, 5058340), (28, 4697030), (35, 3757624), (40, 3287921), (52, 2529170), (56, 2348515), (65, 2023336), (70, 1878812), (91, 1445240), (104, 1264585), (130, 1011668), (140, 939406), (182, 722620), (260, 505834), (280, 469703), (364, 361310), (455, 289048), (520, 252917), (728, 180655), (910, 144524), (1820, 72262), (3640, 36131)]