71990460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17389}}^1$

素因数の和:17427

約数の個数: 72

約数和(自身を含む): 227878560

約数和(自身を除く): 155888100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 17389, 34778, 52167, 69556, 86945, 104334, 156501, 173890, 208668, 260835, 313002, 347780, 399947, 521670, 626004, 782505, 799894, 1043340, 1199841, 1565010, 1599788, 1999735, 2399682, 3130020, 3599523, 3999470, 4799364, 5999205, 7199046, 7998940, 11998410, 14398092, 17997615, 23996820, 35995230, 71990460]

約数ペア:

[(1, 71990460), (2, 35995230), (3, 23996820), (4, 17997615), (5, 14398092), (6, 11998410), (9, 7998940), (10, 7199046), (12, 5999205), (15, 4799364), (18, 3999470), (20, 3599523), (23, 3130020), (30, 2399682), (36, 1999735), (45, 1599788), (46, 1565010), (60, 1199841), (69, 1043340), (90, 799894), (92, 782505), (115, 626004), (138, 521670), (180, 399947), (207, 347780), (230, 313002), (276, 260835), (345, 208668), (414, 173890), (460, 156501), (690, 104334), (828, 86945), (1035, 69556), (1380, 52167), (2070, 34778), (4140, 17389)]