157802920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 408240000

約数和(自身を除く): 250437080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 83, 88, 110, 116, 145, 149, 166, 220, 232, 290, 298, 319, 332, 415, 440, 580, 596, 638, 664, 745, 830, 913, 1160, 1192, 1276, 1490, 1595, 1639, 1660, 1826, 2407, 2552, 2980, 3190, 3278, 3320, 3652, 4321, 4565, 4814, 5960, 6380, 6556, 7304, 8195, 8642, 9130, 9628, 12035, 12367, 12760, 13112, 16390, 17284, 18260, 19256, 21605, 24070, 24734, 26477, 32780, 34568, 36520, 43210, 47531, 48140, 49468, 52954, 61835, 65560, 86420, 95062, 96280, 98936, 105908, 123670, 132385, 136037, 172840, 190124, 211816, 237655, 247340, 264770, 272074, 358643, 380248, 475310, 494680, 529540, 544148, 680185, 717286, 950620, 1059080, 1088296, 1360370, 1434572, 1793215, 1901240, 2720740, 2869144, 3586430, 3945073, 5441480, 7172860, 7890146, 14345720, 15780292, 19725365, 31560584, 39450730, 78901460, 157802920]

約数ペア:

[(1, 157802920), (2, 78901460), (4, 39450730), (5, 31560584), (8, 19725365), (10, 15780292), (11, 14345720), (20, 7890146), (22, 7172860), (29, 5441480), (40, 3945073), (44, 3586430), (55, 2869144), (58, 2720740), (83, 1901240), (88, 1793215), (110, 1434572), (116, 1360370), (145, 1088296), (149, 1059080), (166, 950620), (220, 717286), (232, 680185), (290, 544148), (298, 529540), (319, 494680), (332, 475310), (415, 380248), (440, 358643), (580, 272074), (596, 264770), (638, 247340), (664, 237655), (745, 211816), (830, 190124), (913, 172840), (1160, 136037), (1192, 132385), (1276, 123670), (1490, 105908), (1595, 98936), (1639, 96280), (1660, 95062), (1826, 86420), (2407, 65560), (2552, 61835), (2980, 52954), (3190, 49468), (3278, 48140), (3320, 47531), (3652, 43210), (4321, 36520), (4565, 34568), (4814, 32780), (5960, 26477), (6380, 24734), (6556, 24070), (7304, 21605), (8195, 19256), (8642, 18260), (9130, 17284), (9628, 16390), (12035, 13112), (12367, 12760)]