745915860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{3137}}^1$

素因数の和:4473

約数の個数: 72

約数和(自身を含む): 2265046056

約数和(自身を除く): 1519130196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1321, 2642, 3137, 3963, 5284, 6274, 6605, 7926, 9411, 11889, 12548, 13210, 15685, 15852, 18822, 19815, 23778, 26420, 28233, 31370, 37644, 39630, 47055, 47556, 56466, 59445, 62740, 79260, 94110, 112932, 118890, 141165, 188220, 237780, 282330, 564660, 4143977, 8287954, 12431931, 16575908, 20719885, 24863862, 37295793, 41439770, 49727724, 62159655, 74591586, 82879540, 124319310, 149183172, 186478965, 248638620, 372957930, 745915860]

約数ペア:

[(1, 745915860), (2, 372957930), (3, 248638620), (4, 186478965), (5, 149183172), (6, 124319310), (9, 82879540), (10, 74591586), (12, 62159655), (15, 49727724), (18, 41439770), (20, 37295793), (30, 24863862), (36, 20719885), (45, 16575908), (60, 12431931), (90, 8287954), (180, 4143977), (1321, 564660), (2642, 282330), (3137, 237780), (3963, 188220), (5284, 141165), (6274, 118890), (6605, 112932), (7926, 94110), (9411, 79260), (11889, 62740), (12548, 59445), (13210, 56466), (15685, 47556), (15852, 47055), (18822, 39630), (19815, 37644), (23778, 31370), (26420, 28233)]