145170520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 381542400

約数和(自身を除く): 236371880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 31, 40, 44, 55, 58, 62, 88, 110, 116, 124, 145, 155, 220, 232, 248, 290, 310, 319, 341, 367, 440, 580, 620, 638, 682, 734, 899, 1160, 1240, 1276, 1364, 1468, 1595, 1705, 1798, 1835, 2552, 2728, 2936, 3190, 3410, 3596, 3670, 4037, 4495, 6380, 6820, 7192, 7340, 8074, 8990, 9889, 10643, 11377, 12760, 13640, 14680, 16148, 17980, 19778, 20185, 21286, 22754, 32296, 35960, 39556, 40370, 42572, 45508, 49445, 53215, 56885, 79112, 80740, 85144, 91016, 98890, 106430, 113770, 117073, 125147, 161480, 197780, 212860, 227540, 234146, 250294, 329933, 395560, 425720, 455080, 468292, 500588, 585365, 625735, 659866, 936584, 1001176, 1170730, 1251470, 1319732, 1649665, 2341460, 2502940, 2639464, 3299330, 3629263, 4682920, 5005880, 6598660, 7258526, 13197320, 14517052, 18146315, 29034104, 36292630, 72585260, 145170520]

約数ペア:

[(1, 145170520), (2, 72585260), (4, 36292630), (5, 29034104), (8, 18146315), (10, 14517052), (11, 13197320), (20, 7258526), (22, 6598660), (29, 5005880), (31, 4682920), (40, 3629263), (44, 3299330), (55, 2639464), (58, 2502940), (62, 2341460), (88, 1649665), (110, 1319732), (116, 1251470), (124, 1170730), (145, 1001176), (155, 936584), (220, 659866), (232, 625735), (248, 585365), (290, 500588), (310, 468292), (319, 455080), (341, 425720), (367, 395560), (440, 329933), (580, 250294), (620, 234146), (638, 227540), (682, 212860), (734, 197780), (899, 161480), (1160, 125147), (1240, 117073), (1276, 113770), (1364, 106430), (1468, 98890), (1595, 91016), (1705, 85144), (1798, 80740), (1835, 79112), (2552, 56885), (2728, 53215), (2936, 49445), (3190, 45508), (3410, 42572), (3596, 40370), (3670, 39556), (4037, 35960), (4495, 32296), (6380, 22754), (6820, 21286), (7192, 20185), (7340, 19778), (8074, 17980), (8990, 16148), (9889, 14680), (10643, 13640), (11377, 12760)]