139875720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2043

約数の個数: 128

約数和(自身を含む): 456192000

約数和(自身を除く): 316316280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 1979, 2280, 2356, 2945, 3534, 3720, 3958, 4712, 5890, 5937, 7068, 7916, 8835, 9895, 11780, 11874, 14136, 15832, 17670, 19790, 23560, 23748, 29685, 35340, 37601, 39580, 47496, 59370, 61349, 70680, 75202, 79160, 112803, 118740, 122698, 150404, 184047, 188005, 225606, 237480, 245396, 300808, 306745, 368094, 376010, 451212, 490792, 564015, 613490, 736188, 752020, 902424, 920235, 1128030, 1165631, 1226980, 1472376, 1504040, 1840470, 2256060, 2331262, 2453960, 3496893, 3680940, 4512120, 4662524, 5828155, 6993786, 7361880, 9325048, 11656310, 13987572, 17484465, 23312620, 27975144, 34968930, 46625240, 69937860, 139875720]

約数ペア:

[(1, 139875720), (2, 69937860), (3, 46625240), (4, 34968930), (5, 27975144), (6, 23312620), (8, 17484465), (10, 13987572), (12, 11656310), (15, 9325048), (19, 7361880), (20, 6993786), (24, 5828155), (30, 4662524), (31, 4512120), (38, 3680940), (40, 3496893), (57, 2453960), (60, 2331262), (62, 2256060), (76, 1840470), (93, 1504040), (95, 1472376), (114, 1226980), (120, 1165631), (124, 1128030), (152, 920235), (155, 902424), (186, 752020), (190, 736188), (228, 613490), (248, 564015), (285, 490792), (310, 451212), (372, 376010), (380, 368094), (456, 306745), (465, 300808), (570, 245396), (589, 237480), (620, 225606), (744, 188005), (760, 184047), (930, 150404), (1140, 122698), (1178, 118740), (1240, 112803), (1767, 79160), (1860, 75202), (1979, 70680), (2280, 61349), (2356, 59370), (2945, 47496), (3534, 39580), (3720, 37601), (3958, 35340), (4712, 29685), (5890, 23748), (5937, 23560), (7068, 19790), (7916, 17670), (8835, 15832), (9895, 14136), (11780, 11874)]