87386940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1187}}^1$

素因数の和:1611

約数の個数: 72

約数和(自身を含む): 265945680

約数和(自身を除く): 178558740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 1187, 1227, 1636, 2045, 2374, 2454, 3561, 3681, 4090, 4748, 4908, 5935, 6135, 7122, 7362, 8180, 10683, 11870, 12270, 14244, 14724, 17805, 18405, 21366, 23740, 24540, 35610, 36810, 42732, 53415, 71220, 73620, 106830, 213660, 485483, 970966, 1456449, 1941932, 2427415, 2912898, 4369347, 4854830, 5825796, 7282245, 8738694, 9709660, 14564490, 17477388, 21846735, 29128980, 43693470, 87386940]

約数ペア:

[(1, 87386940), (2, 43693470), (3, 29128980), (4, 21846735), (5, 17477388), (6, 14564490), (9, 9709660), (10, 8738694), (12, 7282245), (15, 5825796), (18, 4854830), (20, 4369347), (30, 2912898), (36, 2427415), (45, 1941932), (60, 1456449), (90, 970966), (180, 485483), (409, 213660), (818, 106830), (1187, 73620), (1227, 71220), (1636, 53415), (2045, 42732), (2374, 36810), (2454, 35610), (3561, 24540), (3681, 23740), (4090, 21366), (4748, 18405), (4908, 17805), (5935, 14724), (6135, 14244), (7122, 12270), (7362, 11870), (8180, 10683)]