89863760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6977}}^1$

素因数の和:7020

約数の個数: 80

約数和(自身を含む): 249198336

約数和(自身を除く): 159334576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 6977, 12880, 13954, 27908, 34885, 48839, 55816, 69770, 97678, 111632, 139540, 160471, 195356, 244195, 279080, 320942, 390712, 488390, 558160, 641884, 781424, 802355, 976780, 1123297, 1283768, 1604710, 1953560, 2246594, 2567536, 3209420, 3907120, 4493188, 5616485, 6418840, 8986376, 11232970, 12837680, 17972752, 22465940, 44931880, 89863760]

約数ペア:

[(1, 89863760), (2, 44931880), (4, 22465940), (5, 17972752), (7, 12837680), (8, 11232970), (10, 8986376), (14, 6418840), (16, 5616485), (20, 4493188), (23, 3907120), (28, 3209420), (35, 2567536), (40, 2246594), (46, 1953560), (56, 1604710), (70, 1283768), (80, 1123297), (92, 976780), (112, 802355), (115, 781424), (140, 641884), (161, 558160), (184, 488390), (230, 390712), (280, 320942), (322, 279080), (368, 244195), (460, 195356), (560, 160471), (644, 139540), (805, 111632), (920, 97678), (1288, 69770), (1610, 55816), (1840, 48839), (2576, 34885), (3220, 27908), (6440, 13954), (6977, 12880)]