25619880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1$

素因数の和:1531

約数の個数: 128

約数和(自身を含む): 90357120

約数和(自身を除く): 64737240

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, 1493, 1560, 1716, 2145, 2860, 2986, 3432, 4290, 4479, 5720, 5972, 7465, 8580, 8958, 11944, 14930, 16423, 17160, 17916, 19409, 22395, 29860, 32846, 35832, 38818, 44790, 49269, 58227, 59720, 65692, 77636, 82115, 89580, 97045, 98538, 116454, 131384, 155272, 164230, 179160, 194090, 197076, 213499, 232908, 246345, 291135, 328460, 388180, 394152, 426998, 465816, 492690, 582270, 640497, 656920, 776360, 853996, 985380, 1067495, 1164540, 1280994, 1707992, 1970760, 2134990, 2329080, 2561988, 3202485, 4269980, 5123976, 6404970, 8539960, 12809940, 25619880]

約数ペア:

[(1, 25619880), (2, 12809940), (3, 8539960), (4, 6404970), (5, 5123976), (6, 4269980), (8, 3202485), (10, 2561988), (11, 2329080), (12, 2134990), (13, 1970760), (15, 1707992), (20, 1280994), (22, 1164540), (24, 1067495), (26, 985380), (30, 853996), (33, 776360), (39, 656920), (40, 640497), (44, 582270), (52, 492690), (55, 465816), (60, 426998), (65, 394152), (66, 388180), (78, 328460), (88, 291135), (104, 246345), (110, 232908), (120, 213499), (130, 197076), (132, 194090), (143, 179160), (156, 164230), (165, 155272), (195, 131384), (220, 116454), (260, 98538), (264, 97045), (286, 89580), (312, 82115), (330, 77636), (390, 65692), (429, 59720), (440, 58227), (520, 49269), (572, 44790), (660, 38818), (715, 35832), (780, 32846), (858, 29860), (1144, 22395), (1320, 19409), (1430, 17916), (1493, 17160), (1560, 16423), (1716, 14930), (2145, 11944), (2860, 8958), (2986, 8580), (3432, 7465), (4290, 5972), (4479, 5720)]