27306980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 62710200

約数和(自身を除く): 35403220

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 89, 92, 115, 116, 145, 178, 230, 290, 356, 445, 460, 529, 580, 667, 890, 1058, 1334, 1780, 2047, 2116, 2581, 2645, 2668, 3335, 4094, 5162, 5290, 6670, 8188, 10235, 10324, 10580, 12905, 13340, 15341, 20470, 25810, 30682, 40940, 47081, 51620, 59363, 61364, 76705, 94162, 118726, 153410, 188324, 235405, 237452, 296815, 306820, 470810, 593630, 941620, 1187260, 1365349, 2730698, 5461396, 6826745, 13653490, 27306980]

約数ペア:

[(1, 27306980), (2, 13653490), (4, 6826745), (5, 5461396), (10, 2730698), (20, 1365349), (23, 1187260), (29, 941620), (46, 593630), (58, 470810), (89, 306820), (92, 296815), (115, 237452), (116, 235405), (145, 188324), (178, 153410), (230, 118726), (290, 94162), (356, 76705), (445, 61364), (460, 59363), (529, 51620), (580, 47081), (667, 40940), (890, 30682), (1058, 25810), (1334, 20470), (1780, 15341), (2047, 13340), (2116, 12905), (2581, 10580), (2645, 10324), (2668, 10235), (3335, 8188), (4094, 6670), (5162, 5290)]