87515460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21139}}^1$

素因数の和:21177

約数の個数: 72

約数和(自身を含む): 277018560

約数和(自身を除く): 189503100

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, 21139, 42278, 63417, 84556, 105695, 126834, 190251, 211390, 253668, 317085, 380502, 422780, 486197, 634170, 761004, 951255, 972394, 1268340, 1458591, 1902510, 1944788, 2430985, 2917182, 3805020, 4375773, 4861970, 5834364, 7292955, 8751546, 9723940, 14585910, 17503092, 21878865, 29171820, 43757730, 87515460]

約数ペア:

[(1, 87515460), (2, 43757730), (3, 29171820), (4, 21878865), (5, 17503092), (6, 14585910), (9, 9723940), (10, 8751546), (12, 7292955), (15, 5834364), (18, 4861970), (20, 4375773), (23, 3805020), (30, 2917182), (36, 2430985), (45, 1944788), (46, 1902510), (60, 1458591), (69, 1268340), (90, 972394), (92, 951255), (115, 761004), (138, 634170), (180, 486197), (207, 422780), (230, 380502), (276, 317085), (345, 253668), (414, 211390), (460, 190251), (690, 126834), (828, 105695), (1035, 84556), (1380, 63417), (2070, 42278), (4140, 21139)]