77925320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 205286400

約数和(自身を除く): 127361080

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, 197, 220, 232, 248, 290, 310, 319, 341, 394, 440, 580, 620, 638, 682, 788, 899, 985, 1160, 1240, 1276, 1364, 1576, 1595, 1705, 1798, 1970, 2167, 2552, 2728, 3190, 3410, 3596, 3940, 4334, 4495, 5713, 6107, 6380, 6820, 7192, 7880, 8668, 8990, 9889, 10835, 11426, 12214, 12760, 13640, 17336, 17980, 19778, 21670, 22852, 24428, 28565, 30535, 35960, 39556, 43340, 45704, 48856, 49445, 57130, 61070, 62843, 67177, 79112, 86680, 98890, 114260, 122140, 125686, 134354, 177103, 197780, 228520, 244280, 251372, 268708, 314215, 335885, 354206, 395560, 502744, 537416, 628430, 671770, 708412, 885515, 1256860, 1343540, 1416824, 1771030, 1948133, 2513720, 2687080, 3542060, 3896266, 7084120, 7792532, 9740665, 15585064, 19481330, 38962660, 77925320]

約数ペア:

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