64957500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{2887}}^1$

素因数の和:2917

約数の個数: 90

約数和(自身を含む): 205253048

約数和(自身を除く): 140295548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 2250, 2500, 2887, 3750, 4500, 5625, 5774, 7500, 8661, 11250, 11548, 14435, 17322, 22500, 25983, 28870, 34644, 43305, 51966, 57740, 72175, 86610, 103932, 129915, 144350, 173220, 216525, 259830, 288700, 360875, 433050, 519660, 649575, 721750, 866100, 1082625, 1299150, 1443500, 1804375, 2165250, 2598300, 3247875, 3608750, 4330500, 5413125, 6495750, 7217500, 10826250, 12991500, 16239375, 21652500, 32478750, 64957500]

約数ペア:

[(1, 64957500), (2, 32478750), (3, 21652500), (4, 16239375), (5, 12991500), (6, 10826250), (9, 7217500), (10, 6495750), (12, 5413125), (15, 4330500), (18, 3608750), (20, 3247875), (25, 2598300), (30, 2165250), (36, 1804375), (45, 1443500), (50, 1299150), (60, 1082625), (75, 866100), (90, 721750), (100, 649575), (125, 519660), (150, 433050), (180, 360875), (225, 288700), (250, 259830), (300, 216525), (375, 173220), (450, 144350), (500, 129915), (625, 103932), (750, 86610), (900, 72175), (1125, 57740), (1250, 51966), (1500, 43305), (1875, 34644), (2250, 28870), (2500, 25983), (2887, 22500), (3750, 17322), (4500, 14435), (5625, 11548), (5774, 11250), (7500, 8661)]