155704940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 359976960

約数和(自身を除く): 204272020

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 61, 62, 92, 115, 122, 124, 155, 179, 230, 244, 305, 310, 358, 460, 610, 620, 713, 716, 895, 1220, 1403, 1426, 1790, 1891, 2806, 2852, 3565, 3580, 3782, 4117, 5549, 5612, 7015, 7130, 7564, 8234, 9455, 10919, 11098, 14030, 14260, 16468, 18910, 20585, 21838, 22196, 27745, 28060, 37820, 41170, 43493, 43676, 54595, 55490, 82340, 86986, 109190, 110980, 127627, 173972, 217465, 218380, 251137, 255254, 338489, 434930, 502274, 510508, 638135, 676978, 869860, 1004548, 1255685, 1276270, 1353956, 1692445, 2511370, 2552540, 3384890, 5022740, 6769780, 7785247, 15570494, 31140988, 38926235, 77852470, 155704940]

約数ペア:

[(1, 155704940), (2, 77852470), (4, 38926235), (5, 31140988), (10, 15570494), (20, 7785247), (23, 6769780), (31, 5022740), (46, 3384890), (61, 2552540), (62, 2511370), (92, 1692445), (115, 1353956), (122, 1276270), (124, 1255685), (155, 1004548), (179, 869860), (230, 676978), (244, 638135), (305, 510508), (310, 502274), (358, 434930), (460, 338489), (610, 255254), (620, 251137), (713, 218380), (716, 217465), (895, 173972), (1220, 127627), (1403, 110980), (1426, 109190), (1790, 86986), (1891, 82340), (2806, 55490), (2852, 54595), (3565, 43676), (3580, 43493), (3782, 41170), (4117, 37820), (5549, 28060), (5612, 27745), (7015, 22196), (7130, 21838), (7564, 20585), (8234, 18910), (9455, 16468), (10919, 14260), (11098, 14030)]