72898840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1559}}^1$

素因数の和:1744

約数の個数: 64

約数和(自身を含む): 188697600

約数和(自身を除く): 115798760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1559, 1670, 2338, 3118, 3340, 4676, 5845, 6236, 6680, 7795, 9352, 10913, 11690, 12472, 15590, 21826, 23380, 31180, 43652, 46760, 54565, 62360, 87304, 109130, 218260, 260353, 436520, 520706, 1041412, 1301765, 1822471, 2082824, 2603530, 3644942, 5207060, 7289884, 9112355, 10414120, 14579768, 18224710, 36449420, 72898840]

約数ペア:

[(1, 72898840), (2, 36449420), (4, 18224710), (5, 14579768), (7, 10414120), (8, 9112355), (10, 7289884), (14, 5207060), (20, 3644942), (28, 2603530), (35, 2082824), (40, 1822471), (56, 1301765), (70, 1041412), (140, 520706), (167, 436520), (280, 260353), (334, 218260), (668, 109130), (835, 87304), (1169, 62360), (1336, 54565), (1559, 46760), (1670, 43652), (2338, 31180), (3118, 23380), (3340, 21826), (4676, 15590), (5845, 12472), (6236, 11690), (6680, 10913), (7795, 9352)]