121640280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1785

約数の個数: 128

約数和(自身を含む): 396748800

約数和(自身を除く): 275108520

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, 1721, 1767, 1860, 2280, 2356, 2945, 3442, 3534, 3720, 4712, 5163, 5890, 6884, 7068, 8605, 8835, 10326, 11780, 13768, 14136, 17210, 17670, 20652, 23560, 25815, 32699, 34420, 35340, 41304, 51630, 53351, 65398, 68840, 70680, 98097, 103260, 106702, 130796, 160053, 163495, 196194, 206520, 213404, 261592, 266755, 320106, 326990, 392388, 426808, 490485, 533510, 640212, 653980, 784776, 800265, 980970, 1013669, 1067020, 1280424, 1307960, 1600530, 1961940, 2027338, 2134040, 3041007, 3201060, 3923880, 4054676, 5068345, 6082014, 6402120, 8109352, 10136690, 12164028, 15205035, 20273380, 24328056, 30410070, 40546760, 60820140, 121640280]

約数ペア:

[(1, 121640280), (2, 60820140), (3, 40546760), (4, 30410070), (5, 24328056), (6, 20273380), (8, 15205035), (10, 12164028), (12, 10136690), (15, 8109352), (19, 6402120), (20, 6082014), (24, 5068345), (30, 4054676), (31, 3923880), (38, 3201060), (40, 3041007), (57, 2134040), (60, 2027338), (62, 1961940), (76, 1600530), (93, 1307960), (95, 1280424), (114, 1067020), (120, 1013669), (124, 980970), (152, 800265), (155, 784776), (186, 653980), (190, 640212), (228, 533510), (248, 490485), (285, 426808), (310, 392388), (372, 326990), (380, 320106), (456, 266755), (465, 261592), (570, 213404), (589, 206520), (620, 196194), (744, 163495), (760, 160053), (930, 130796), (1140, 106702), (1178, 103260), (1240, 98097), (1721, 70680), (1767, 68840), (1860, 65398), (2280, 53351), (2356, 51630), (2945, 41304), (3442, 35340), (3534, 34420), (3720, 32699), (4712, 25815), (5163, 23560), (5890, 20652), (6884, 17670), (7068, 17210), (8605, 14136), (8835, 13768), (10326, 11780)]