156884220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2131}}^1$

素因数の和:2555

約数の個数: 72

約数和(自身を含む): 477269520

約数和(自身を除く): 320385300

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, 2131, 2454, 3681, 4090, 4262, 4908, 6135, 6393, 7362, 8180, 8524, 10655, 12270, 12786, 14724, 18405, 19179, 21310, 24540, 25572, 31965, 36810, 38358, 42620, 63930, 73620, 76716, 95895, 127860, 191790, 383580, 871579, 1743158, 2614737, 3486316, 4357895, 5229474, 7844211, 8715790, 10458948, 13073685, 15688422, 17431580, 26147370, 31376844, 39221055, 52294740, 78442110, 156884220]

約数ペア:

[(1, 156884220), (2, 78442110), (3, 52294740), (4, 39221055), (5, 31376844), (6, 26147370), (9, 17431580), (10, 15688422), (12, 13073685), (15, 10458948), (18, 8715790), (20, 7844211), (30, 5229474), (36, 4357895), (45, 3486316), (60, 2614737), (90, 1743158), (180, 871579), (409, 383580), (818, 191790), (1227, 127860), (1636, 95895), (2045, 76716), (2131, 73620), (2454, 63930), (3681, 42620), (4090, 38358), (4262, 36810), (4908, 31965), (6135, 25572), (6393, 24540), (7362, 21310), (8180, 19179), (8524, 18405), (10655, 14724), (12270, 12786)]