155850640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 160

約数和(自身を含む): 424258560

約数和(自身を除く): 268407920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 31, 40, 44, 55, 58, 62, 80, 88, 110, 116, 124, 145, 155, 176, 197, 220, 232, 248, 290, 310, 319, 341, 394, 440, 464, 496, 580, 620, 638, 682, 788, 880, 899, 985, 1160, 1240, 1276, 1364, 1576, 1595, 1705, 1798, 1970, 2167, 2320, 2480, 2552, 2728, 3152, 3190, 3410, 3596, 3940, 4334, 4495, 5104, 5456, 5713, 6107, 6380, 6820, 7192, 7880, 8668, 8990, 9889, 10835, 11426, 12214, 12760, 13640, 14384, 15760, 17336, 17980, 19778, 21670, 22852, 24428, 25520, 27280, 28565, 30535, 34672, 35960, 39556, 43340, 45704, 48856, 49445, 57130, 61070, 62843, 67177, 71920, 79112, 86680, 91408, 97712, 98890, 114260, 122140, 125686, 134354, 158224, 173360, 177103, 197780, 228520, 244280, 251372, 268708, 314215, 335885, 354206, 395560, 457040, 488560, 502744, 537416, 628430, 671770, 708412, 791120, 885515, 1005488, 1074832, 1256860, 1343540, 1416824, 1771030, 1948133, 2513720, 2687080, 2833648, 3542060, 3896266, 5027440, 5374160, 7084120, 7792532, 9740665, 14168240, 15585064, 19481330, 31170128, 38962660, 77925320, 155850640]

約数ペア:

[(1, 155850640), (2, 77925320), (4, 38962660), (5, 31170128), (8, 19481330), (10, 15585064), (11, 14168240), (16, 9740665), (20, 7792532), (22, 7084120), (29, 5374160), (31, 5027440), (40, 3896266), (44, 3542060), (55, 2833648), (58, 2687080), (62, 2513720), (80, 1948133), (88, 1771030), (110, 1416824), (116, 1343540), (124, 1256860), (145, 1074832), (155, 1005488), (176, 885515), (197, 791120), (220, 708412), (232, 671770), (248, 628430), (290, 537416), (310, 502744), (319, 488560), (341, 457040), (394, 395560), (440, 354206), (464, 335885), (496, 314215), (580, 268708), (620, 251372), (638, 244280), (682, 228520), (788, 197780), (880, 177103), (899, 173360), (985, 158224), (1160, 134354), (1240, 125686), (1276, 122140), (1364, 114260), (1576, 98890), (1595, 97712), (1705, 91408), (1798, 86680), (1970, 79112), (2167, 71920), (2320, 67177), (2480, 62843), (2552, 61070), (2728, 57130), (3152, 49445), (3190, 48856), (3410, 45704), (3596, 43340), (3940, 39556), (4334, 35960), (4495, 34672), (5104, 30535), (5456, 28565), (5713, 27280), (6107, 25520), (6380, 24428), (6820, 22852), (7192, 21670), (7880, 19778), (8668, 17980), (8990, 17336), (9889, 15760), (10835, 14384), (11426, 13640), (12214, 12760)]