164908840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7823}}^1$

素因数の和:7882

約数の個数: 64

約数和(自身を含む): 405596160

約数和(自身を除く): 240687320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 7823, 10540, 15646, 21080, 31292, 39115, 62584, 78230, 132991, 156460, 242513, 265982, 312920, 485026, 531964, 664955, 970052, 1063928, 1212565, 1329910, 1940104, 2425130, 2659820, 4122721, 4850260, 5319640, 8245442, 9700520, 16490884, 20613605, 32981768, 41227210, 82454420, 164908840]

約数ペア:

[(1, 164908840), (2, 82454420), (4, 41227210), (5, 32981768), (8, 20613605), (10, 16490884), (17, 9700520), (20, 8245442), (31, 5319640), (34, 4850260), (40, 4122721), (62, 2659820), (68, 2425130), (85, 1940104), (124, 1329910), (136, 1212565), (155, 1063928), (170, 970052), (248, 664955), (310, 531964), (340, 485026), (527, 312920), (620, 265982), (680, 242513), (1054, 156460), (1240, 132991), (2108, 78230), (2635, 62584), (4216, 39115), (5270, 31292), (7823, 21080), (10540, 15646)]