279538480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 753326784

約数和(自身を除く): 473788304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 97, 104, 130, 136, 163, 170, 194, 208, 221, 260, 272, 326, 340, 388, 442, 485, 520, 652, 680, 776, 815, 884, 970, 1040, 1105, 1261, 1304, 1360, 1552, 1630, 1649, 1768, 1940, 2119, 2210, 2522, 2608, 2771, 3260, 3298, 3536, 3880, 4238, 4420, 5044, 5542, 6305, 6520, 6596, 7760, 8245, 8476, 8840, 10088, 10595, 11084, 12610, 13040, 13192, 13855, 15811, 16490, 16952, 17680, 20176, 21190, 21437, 22168, 25220, 26384, 27710, 31622, 32980, 33904, 36023, 42380, 42874, 44336, 50440, 55420, 63244, 65960, 72046, 79055, 84760, 85748, 100880, 107185, 110840, 126488, 131920, 144092, 158110, 169520, 171496, 180115, 205543, 214370, 221680, 252976, 268787, 288184, 316220, 342992, 360230, 411086, 428740, 537574, 576368, 632440, 720460, 822172, 857480, 1027715, 1075148, 1264880, 1343935, 1440920, 1644344, 1714960, 2055430, 2150296, 2687870, 2881840, 3288688, 3494231, 4110860, 4300592, 5375740, 6988462, 8221720, 10751480, 13976924, 16443440, 17471155, 21502960, 27953848, 34942310, 55907696, 69884620, 139769240, 279538480]

約数ペア:

[(1, 279538480), (2, 139769240), (4, 69884620), (5, 55907696), (8, 34942310), (10, 27953848), (13, 21502960), (16, 17471155), (17, 16443440), (20, 13976924), (26, 10751480), (34, 8221720), (40, 6988462), (52, 5375740), (65, 4300592), (68, 4110860), (80, 3494231), (85, 3288688), (97, 2881840), (104, 2687870), (130, 2150296), (136, 2055430), (163, 1714960), (170, 1644344), (194, 1440920), (208, 1343935), (221, 1264880), (260, 1075148), (272, 1027715), (326, 857480), (340, 822172), (388, 720460), (442, 632440), (485, 576368), (520, 537574), (652, 428740), (680, 411086), (776, 360230), (815, 342992), (884, 316220), (970, 288184), (1040, 268787), (1105, 252976), (1261, 221680), (1304, 214370), (1360, 205543), (1552, 180115), (1630, 171496), (1649, 169520), (1768, 158110), (1940, 144092), (2119, 131920), (2210, 126488), (2522, 110840), (2608, 107185), (2771, 100880), (3260, 85748), (3298, 84760), (3536, 79055), (3880, 72046), (4238, 65960), (4420, 63244), (5044, 55420), (5542, 50440), (6305, 44336), (6520, 42874), (6596, 42380), (7760, 36023), (8245, 33904), (8476, 32980), (8840, 31622), (10088, 27710), (10595, 26384), (11084, 25220), (12610, 22168), (13040, 21437), (13192, 21190), (13855, 20176), (15811, 17680), (16490, 16952)]