668827580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 1530023040

約数和(自身を除く): 861195460

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 181, 230, 277, 290, 362, 460, 554, 580, 667, 724, 905, 1108, 1334, 1385, 1810, 2668, 2770, 3335, 3620, 4163, 5249, 5540, 6371, 6670, 8033, 8326, 10498, 12742, 13340, 16066, 16652, 20815, 20996, 25484, 26245, 31855, 32132, 40165, 41630, 50137, 52490, 63710, 80330, 83260, 100274, 104980, 120727, 127420, 160660, 184759, 200548, 241454, 250685, 369518, 482908, 501370, 603635, 739036, 923795, 1002740, 1153151, 1207270, 1453973, 1847590, 2306302, 2414540, 2907946, 3695180, 4612604, 5765755, 5815892, 7269865, 11531510, 14539730, 23063020, 29079460, 33441379, 66882758, 133765516, 167206895, 334413790, 668827580]

約数ペア:

[(1, 668827580), (2, 334413790), (4, 167206895), (5, 133765516), (10, 66882758), (20, 33441379), (23, 29079460), (29, 23063020), (46, 14539730), (58, 11531510), (92, 7269865), (115, 5815892), (116, 5765755), (145, 4612604), (181, 3695180), (230, 2907946), (277, 2414540), (290, 2306302), (362, 1847590), (460, 1453973), (554, 1207270), (580, 1153151), (667, 1002740), (724, 923795), (905, 739036), (1108, 603635), (1334, 501370), (1385, 482908), (1810, 369518), (2668, 250685), (2770, 241454), (3335, 200548), (3620, 184759), (4163, 160660), (5249, 127420), (5540, 120727), (6371, 104980), (6670, 100274), (8033, 83260), (8326, 80330), (10498, 63710), (12742, 52490), (13340, 50137), (16066, 41630), (16652, 40165), (20815, 32132), (20996, 31855), (25484, 26245)]