31282680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1823}}^1$

素因数の和:1861

約数の個数: 128

約数和(自身を含む): 110315520

約数和(自身を除く): 79032840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 1823, 2145, 2860, 3432, 3646, 4290, 5469, 5720, 7292, 8580, 9115, 10938, 14584, 17160, 18230, 20053, 21876, 23699, 27345, 36460, 40106, 43752, 47398, 54690, 60159, 71097, 72920, 80212, 94796, 100265, 109380, 118495, 120318, 142194, 160424, 189592, 200530, 218760, 236990, 240636, 260689, 284388, 300795, 355485, 401060, 473980, 481272, 521378, 568776, 601590, 710970, 782067, 802120, 947960, 1042756, 1203180, 1303445, 1421940, 1564134, 2085512, 2406360, 2606890, 2843880, 3128268, 3910335, 5213780, 6256536, 7820670, 10427560, 15641340, 31282680]

約数ペア:

[(1, 31282680), (2, 15641340), (3, 10427560), (4, 7820670), (5, 6256536), (6, 5213780), (8, 3910335), (10, 3128268), (11, 2843880), (12, 2606890), (13, 2406360), (15, 2085512), (20, 1564134), (22, 1421940), (24, 1303445), (26, 1203180), (30, 1042756), (33, 947960), (39, 802120), (40, 782067), (44, 710970), (52, 601590), (55, 568776), (60, 521378), (65, 481272), (66, 473980), (78, 401060), (88, 355485), (104, 300795), (110, 284388), (120, 260689), (130, 240636), (132, 236990), (143, 218760), (156, 200530), (165, 189592), (195, 160424), (220, 142194), (260, 120318), (264, 118495), (286, 109380), (312, 100265), (330, 94796), (390, 80212), (429, 72920), (440, 71097), (520, 60159), (572, 54690), (660, 47398), (715, 43752), (780, 40106), (858, 36460), (1144, 27345), (1320, 23699), (1430, 21876), (1560, 20053), (1716, 18230), (1823, 17160), (2145, 14584), (2860, 10938), (3432, 9115), (3646, 8580), (4290, 7292), (5469, 5720)]