81778720

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8663}}^1$

素因数の和:8737

約数の個数: 48

約数和(自身を含む): 196499520

約数和(自身を除く): 114720800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2360, 4720, 8663, 9440, 17326, 34652, 43315, 69304, 86630, 138608, 173260, 277216, 346520, 511117, 693040, 1022234, 1386080, 2044468, 2555585, 4088936, 5111170, 8177872, 10222340, 16355744, 20444680, 40889360, 81778720]

約数ペア:

[(1, 81778720), (2, 40889360), (4, 20444680), (5, 16355744), (8, 10222340), (10, 8177872), (16, 5111170), (20, 4088936), (32, 2555585), (40, 2044468), (59, 1386080), (80, 1022234), (118, 693040), (160, 511117), (236, 346520), (295, 277216), (472, 173260), (590, 138608), (944, 86630), (1180, 69304), (1888, 43315), (2360, 34652), (4720, 17326), (8663, 9440)]