28288120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3259}}^1$

素因数の和:3308

約数の個数: 64

約数和(自身を含む): 75110400

約数和(自身を除く): 46822280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 3259, 4340, 6518, 8680, 13036, 16295, 22813, 26072, 32590, 45626, 65180, 91252, 101029, 114065, 130360, 182504, 202058, 228130, 404116, 456260, 505145, 707203, 808232, 912520, 1010290, 1414406, 2020580, 2828812, 3536015, 4041160, 5657624, 7072030, 14144060, 28288120]

約数ペア:

[(1, 28288120), (2, 14144060), (4, 7072030), (5, 5657624), (7, 4041160), (8, 3536015), (10, 2828812), (14, 2020580), (20, 1414406), (28, 1010290), (31, 912520), (35, 808232), (40, 707203), (56, 505145), (62, 456260), (70, 404116), (124, 228130), (140, 202058), (155, 182504), (217, 130360), (248, 114065), (280, 101029), (310, 91252), (434, 65180), (620, 45626), (868, 32590), (1085, 26072), (1240, 22813), (1736, 16295), (2170, 13036), (3259, 8680), (4340, 6518)]