306386720

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2897}}^1$

素因数の和:3573

約数の個数: 48

約数和(自身を含む): 725183928

約数和(自身を除く): 418797208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 1322, 2644, 2897, 3305, 5288, 5794, 6610, 10576, 11588, 13220, 14485, 21152, 23176, 26440, 28970, 46352, 52880, 57940, 92704, 105760, 115880, 231760, 463520, 1914917, 3829834, 7659668, 9574585, 15319336, 19149170, 30638672, 38298340, 61277344, 76596680, 153193360, 306386720]

約数ペア:

[(1, 306386720), (2, 153193360), (4, 76596680), (5, 61277344), (8, 38298340), (10, 30638672), (16, 19149170), (20, 15319336), (32, 9574585), (40, 7659668), (80, 3829834), (160, 1914917), (661, 463520), (1322, 231760), (2644, 115880), (2897, 105760), (3305, 92704), (5288, 57940), (5794, 52880), (6610, 46352), (10576, 28970), (11588, 26440), (13220, 23176), (14485, 21152)]