81886500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:643

約数の個数: 144

約数和(自身を含む): 267111936

約数和(自身を除く): 185225436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 125, 150, 155, 180, 186, 225, 250, 279, 300, 310, 372, 375, 450, 465, 500, 558, 587, 620, 750, 775, 900, 930, 1116, 1125, 1174, 1395, 1500, 1550, 1761, 1860, 2250, 2325, 2348, 2790, 2935, 3100, 3522, 3875, 4500, 4650, 5283, 5580, 5870, 6975, 7044, 7750, 8805, 9300, 10566, 11625, 11740, 13950, 14675, 15500, 17610, 18197, 21132, 23250, 26415, 27900, 29350, 34875, 35220, 36394, 44025, 46500, 52830, 54591, 58700, 69750, 72788, 73375, 88050, 90985, 105660, 109182, 132075, 139500, 146750, 163773, 176100, 181970, 218364, 220125, 264150, 272955, 293500, 327546, 363940, 440250, 454925, 528300, 545910, 655092, 660375, 818865, 880500, 909850, 1091820, 1320750, 1364775, 1637730, 1819700, 2274625, 2641500, 2729550, 3275460, 4094325, 4549250, 5459100, 6823875, 8188650, 9098500, 13647750, 16377300, 20471625, 27295500, 40943250, 81886500]

約数ペア:

[(1, 81886500), (2, 40943250), (3, 27295500), (4, 20471625), (5, 16377300), (6, 13647750), (9, 9098500), (10, 8188650), (12, 6823875), (15, 5459100), (18, 4549250), (20, 4094325), (25, 3275460), (30, 2729550), (31, 2641500), (36, 2274625), (45, 1819700), (50, 1637730), (60, 1364775), (62, 1320750), (75, 1091820), (90, 909850), (93, 880500), (100, 818865), (124, 660375), (125, 655092), (150, 545910), (155, 528300), (180, 454925), (186, 440250), (225, 363940), (250, 327546), (279, 293500), (300, 272955), (310, 264150), (372, 220125), (375, 218364), (450, 181970), (465, 176100), (500, 163773), (558, 146750), (587, 139500), (620, 132075), (750, 109182), (775, 105660), (900, 90985), (930, 88050), (1116, 73375), (1125, 72788), (1174, 69750), (1395, 58700), (1500, 54591), (1550, 52830), (1761, 46500), (1860, 44025), (2250, 36394), (2325, 35220), (2348, 34875), (2790, 29350), (2935, 27900), (3100, 26415), (3522, 23250), (3875, 21132), (4500, 18197), (4650, 17610), (5283, 15500), (5580, 14675), (5870, 13950), (6975, 11740), (7044, 11625), (7750, 10566), (8805, 9300)]