128824020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2076

約数の個数: 144

約数和(自身を含む): 436625280

約数和(自身を除く): 307801260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1404, 1620, 1755, 2039, 2106, 2340, 2430, 3159, 3510, 4078, 4212, 4860, 5265, 6117, 6318, 7020, 8156, 10195, 10530, 12234, 12636, 15795, 18351, 20390, 21060, 24468, 26507, 30585, 31590, 36702, 40780, 53014, 55053, 61170, 63180, 73404, 79521, 91755, 106028, 110106, 122340, 132535, 159042, 165159, 183510, 220212, 238563, 265070, 275265, 318084, 330318, 367020, 397605, 477126, 495477, 530140, 550530, 660636, 715689, 795210, 825795, 954252, 990954, 1101060, 1192815, 1431378, 1590420, 1651590, 1981908, 2147067, 2385630, 2477385, 2862756, 3303180, 3578445, 4294134, 4771260, 4954770, 6441201, 7156890, 8588268, 9909540, 10735335, 12882402, 14313780, 21470670, 25764804, 32206005, 42941340, 64412010, 128824020]

約数ペア:

[(1, 128824020), (2, 64412010), (3, 42941340), (4, 32206005), (5, 25764804), (6, 21470670), (9, 14313780), (10, 12882402), (12, 10735335), (13, 9909540), (15, 8588268), (18, 7156890), (20, 6441201), (26, 4954770), (27, 4771260), (30, 4294134), (36, 3578445), (39, 3303180), (45, 2862756), (52, 2477385), (54, 2385630), (60, 2147067), (65, 1981908), (78, 1651590), (81, 1590420), (90, 1431378), (108, 1192815), (117, 1101060), (130, 990954), (135, 954252), (156, 825795), (162, 795210), (180, 715689), (195, 660636), (234, 550530), (243, 530140), (260, 495477), (270, 477126), (324, 397605), (351, 367020), (390, 330318), (405, 318084), (468, 275265), (486, 265070), (540, 238563), (585, 220212), (702, 183510), (780, 165159), (810, 159042), (972, 132535), (1053, 122340), (1170, 110106), (1215, 106028), (1404, 91755), (1620, 79521), (1755, 73404), (2039, 63180), (2106, 61170), (2340, 55053), (2430, 53014), (3159, 40780), (3510, 36702), (4078, 31590), (4212, 30585), (4860, 26507), (5265, 24468), (6117, 21060), (6318, 20390), (7020, 18351), (8156, 15795), (10195, 12636), (10530, 12234)]