248262570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9887}}^1$

素因数の和:9937

約数の個数: 80

約数和(自身を含む): 689154048

約数和(自身を除く): 440891478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 810, 837, 930, 1395, 1674, 2511, 2790, 4185, 5022, 8370, 9887, 12555, 19774, 25110, 29661, 49435, 59322, 88983, 98870, 148305, 177966, 266949, 296610, 306497, 444915, 533898, 612994, 800847, 889830, 919491, 1334745, 1532485, 1601694, 1838982, 2669490, 2758473, 3064970, 4004235, 4597455, 5516946, 8008470, 8275419, 9194910, 13792365, 16550838, 24826257, 27584730, 41377095, 49652514, 82754190, 124131285, 248262570]

約数ペア:

[(1, 248262570), (2, 124131285), (3, 82754190), (5, 49652514), (6, 41377095), (9, 27584730), (10, 24826257), (15, 16550838), (18, 13792365), (27, 9194910), (30, 8275419), (31, 8008470), (45, 5516946), (54, 4597455), (62, 4004235), (81, 3064970), (90, 2758473), (93, 2669490), (135, 1838982), (155, 1601694), (162, 1532485), (186, 1334745), (270, 919491), (279, 889830), (310, 800847), (405, 612994), (465, 533898), (558, 444915), (810, 306497), (837, 296610), (930, 266949), (1395, 177966), (1674, 148305), (2511, 98870), (2790, 88983), (4185, 59322), (5022, 49435), (8370, 29661), (9887, 25110), (12555, 19774)]