128122020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18251}}^1$

素因数の和:18282

約数の個数: 96

約数和(自身を含む): 429287040

約数和(自身を除く): 301165020

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, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 18251, 36502, 54753, 73004, 91255, 109506, 164259, 182510, 219012, 237263, 273765, 328518, 365020, 474526, 492777, 547530, 657036, 711789, 821295, 949052, 985554, 1095060, 1186315, 1423578, 1642590, 1971108, 2135367, 2372630, 2463885, 2847156, 3285180, 3558945, 4270734, 4745260, 4927770, 6406101, 7117890, 8541468, 9855540, 10676835, 12812202, 14235780, 21353670, 25624404, 32030505, 42707340, 64061010, 128122020]

約数ペア:

[(1, 128122020), (2, 64061010), (3, 42707340), (4, 32030505), (5, 25624404), (6, 21353670), (9, 14235780), (10, 12812202), (12, 10676835), (13, 9855540), (15, 8541468), (18, 7117890), (20, 6406101), (26, 4927770), (27, 4745260), (30, 4270734), (36, 3558945), (39, 3285180), (45, 2847156), (52, 2463885), (54, 2372630), (60, 2135367), (65, 1971108), (78, 1642590), (90, 1423578), (108, 1186315), (117, 1095060), (130, 985554), (135, 949052), (156, 821295), (180, 711789), (195, 657036), (234, 547530), (260, 492777), (270, 474526), (351, 365020), (390, 328518), (468, 273765), (540, 237263), (585, 219012), (702, 182510), (780, 164259), (1170, 109506), (1404, 91255), (1755, 73004), (2340, 54753), (3510, 36502), (7020, 18251)]