128285560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 330220800

約数和(自身を除く): 201935240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 47, 52, 58, 65, 94, 104, 116, 130, 145, 181, 188, 232, 235, 260, 290, 362, 376, 377, 470, 520, 580, 611, 724, 754, 905, 940, 1160, 1222, 1363, 1448, 1508, 1810, 1880, 1885, 2353, 2444, 2726, 3016, 3055, 3620, 3770, 4706, 4888, 5249, 5452, 6110, 6815, 7240, 7540, 8507, 9412, 10498, 10904, 11765, 12220, 13630, 15080, 17014, 17719, 18824, 20996, 23530, 24440, 26245, 27260, 34028, 35438, 41992, 42535, 47060, 52490, 54520, 68056, 68237, 70876, 85070, 88595, 94120, 104980, 110591, 136474, 141752, 170140, 177190, 209960, 221182, 246703, 272948, 340280, 341185, 354380, 442364, 493406, 545896, 552955, 682370, 708760, 884728, 986812, 1105910, 1233515, 1364740, 1973624, 2211820, 2467030, 2729480, 3207139, 4423640, 4934060, 6414278, 9868120, 12828556, 16035695, 25657112, 32071390, 64142780, 128285560]

約数ペア:

[(1, 128285560), (2, 64142780), (4, 32071390), (5, 25657112), (8, 16035695), (10, 12828556), (13, 9868120), (20, 6414278), (26, 4934060), (29, 4423640), (40, 3207139), (47, 2729480), (52, 2467030), (58, 2211820), (65, 1973624), (94, 1364740), (104, 1233515), (116, 1105910), (130, 986812), (145, 884728), (181, 708760), (188, 682370), (232, 552955), (235, 545896), (260, 493406), (290, 442364), (362, 354380), (376, 341185), (377, 340280), (470, 272948), (520, 246703), (580, 221182), (611, 209960), (724, 177190), (754, 170140), (905, 141752), (940, 136474), (1160, 110591), (1222, 104980), (1363, 94120), (1448, 88595), (1508, 85070), (1810, 70876), (1880, 68237), (1885, 68056), (2353, 54520), (2444, 52490), (2726, 47060), (3016, 42535), (3055, 41992), (3620, 35438), (3770, 34028), (4706, 27260), (4888, 26245), (5249, 24440), (5452, 23530), (6110, 20996), (6815, 18824), (7240, 17719), (7540, 17014), (8507, 15080), (9412, 13630), (10498, 12220), (10904, 11765)]