289252980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3929}}^1$

素因数の和:4353

約数の個数: 72

約数和(自身を含む): 879769800

約数和(自身を除く): 590516820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 1227, 1636, 2045, 2454, 3681, 3929, 4090, 4908, 6135, 7362, 7858, 8180, 11787, 12270, 14724, 15716, 18405, 19645, 23574, 24540, 35361, 36810, 39290, 47148, 58935, 70722, 73620, 78580, 117870, 141444, 176805, 235740, 353610, 707220, 1606961, 3213922, 4820883, 6427844, 8034805, 9641766, 14462649, 16069610, 19283532, 24104415, 28925298, 32139220, 48208830, 57850596, 72313245, 96417660, 144626490, 289252980]

約数ペア:

[(1, 289252980), (2, 144626490), (3, 96417660), (4, 72313245), (5, 57850596), (6, 48208830), (9, 32139220), (10, 28925298), (12, 24104415), (15, 19283532), (18, 16069610), (20, 14462649), (30, 9641766), (36, 8034805), (45, 6427844), (60, 4820883), (90, 3213922), (180, 1606961), (409, 707220), (818, 353610), (1227, 235740), (1636, 176805), (2045, 141444), (2454, 117870), (3681, 78580), (3929, 73620), (4090, 70722), (4908, 58935), (6135, 47148), (7362, 39290), (7858, 36810), (8180, 35361), (11787, 24540), (12270, 23574), (14724, 19645), (15716, 18405)]