278812920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1409}}^1$

素因数の和:1537

約数の個数: 128

約数和(自身を含む): 895406400

約数和(自身を除く): 616593480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 97, 102, 120, 136, 170, 194, 204, 255, 291, 340, 388, 408, 485, 510, 582, 680, 776, 970, 1020, 1164, 1409, 1455, 1649, 1940, 2040, 2328, 2818, 2910, 3298, 3880, 4227, 4947, 5636, 5820, 6596, 7045, 8245, 8454, 9894, 11272, 11640, 13192, 14090, 16490, 16908, 19788, 21135, 23953, 24735, 28180, 32980, 33816, 39576, 42270, 47906, 49470, 56360, 65960, 71859, 84540, 95812, 98940, 119765, 136673, 143718, 169080, 191624, 197880, 239530, 273346, 287436, 359295, 410019, 479060, 546692, 574872, 683365, 718590, 820038, 958120, 1093384, 1366730, 1437180, 1640076, 2050095, 2323441, 2733460, 2874360, 3280152, 4100190, 4646882, 5466920, 6970323, 8200380, 9293764, 11617205, 13940646, 16400760, 18587528, 23234410, 27881292, 34851615, 46468820, 55762584, 69703230, 92937640, 139406460, 278812920]

約数ペア:

[(1, 278812920), (2, 139406460), (3, 92937640), (4, 69703230), (5, 55762584), (6, 46468820), (8, 34851615), (10, 27881292), (12, 23234410), (15, 18587528), (17, 16400760), (20, 13940646), (24, 11617205), (30, 9293764), (34, 8200380), (40, 6970323), (51, 5466920), (60, 4646882), (68, 4100190), (85, 3280152), (97, 2874360), (102, 2733460), (120, 2323441), (136, 2050095), (170, 1640076), (194, 1437180), (204, 1366730), (255, 1093384), (291, 958120), (340, 820038), (388, 718590), (408, 683365), (485, 574872), (510, 546692), (582, 479060), (680, 410019), (776, 359295), (970, 287436), (1020, 273346), (1164, 239530), (1409, 197880), (1455, 191624), (1649, 169080), (1940, 143718), (2040, 136673), (2328, 119765), (2818, 98940), (2910, 95812), (3298, 84540), (3880, 71859), (4227, 65960), (4947, 56360), (5636, 49470), (5820, 47906), (6596, 42270), (7045, 39576), (8245, 33816), (8454, 32980), (9894, 28180), (11272, 24735), (11640, 23953), (13192, 21135), (14090, 19788), (16490, 16908)]