255858840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:562

約数の個数: 192

約数和(自身を含む): 891596160

約数和(自身を除く): 635737320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 97, 102, 120, 136, 153, 170, 180, 194, 204, 255, 291, 306, 340, 360, 388, 408, 431, 485, 510, 582, 612, 680, 765, 776, 862, 873, 970, 1020, 1164, 1224, 1293, 1455, 1530, 1649, 1724, 1746, 1940, 2040, 2155, 2328, 2586, 2910, 3060, 3298, 3448, 3492, 3879, 3880, 4310, 4365, 4947, 5172, 5820, 6120, 6465, 6596, 6984, 7327, 7758, 8245, 8620, 8730, 9894, 10344, 11640, 12930, 13192, 14654, 14841, 15516, 16490, 17240, 17460, 19395, 19788, 21981, 24735, 25860, 29308, 29682, 31032, 32980, 34920, 36635, 38790, 39576, 41807, 43962, 49470, 51720, 58616, 59364, 65943, 65960, 73270, 74205, 77580, 83614, 87924, 98940, 109905, 118728, 125421, 131886, 146540, 148410, 155160, 167228, 175848, 197880, 209035, 219810, 250842, 263772, 293080, 296820, 329715, 334456, 376263, 418070, 439620, 501684, 527544, 593640, 627105, 659430, 710719, 752526, 836140, 879240, 1003368, 1254210, 1318860, 1421438, 1505052, 1672280, 1881315, 2132157, 2508420, 2637720, 2842876, 3010104, 3553595, 3762630, 4264314, 5016840, 5685752, 6396471, 7107190, 7525260, 8528628, 10660785, 12792942, 14214380, 15050520, 17057256, 21321570, 25585884, 28428760, 31982355, 42643140, 51171768, 63964710, 85286280, 127929420, 255858840]

約数ペア:

[(1, 255858840), (2, 127929420), (3, 85286280), (4, 63964710), (5, 51171768), (6, 42643140), (8, 31982355), (9, 28428760), (10, 25585884), (12, 21321570), (15, 17057256), (17, 15050520), (18, 14214380), (20, 12792942), (24, 10660785), (30, 8528628), (34, 7525260), (36, 7107190), (40, 6396471), (45, 5685752), (51, 5016840), (60, 4264314), (68, 3762630), (72, 3553595), (85, 3010104), (90, 2842876), (97, 2637720), (102, 2508420), (120, 2132157), (136, 1881315), (153, 1672280), (170, 1505052), (180, 1421438), (194, 1318860), (204, 1254210), (255, 1003368), (291, 879240), (306, 836140), (340, 752526), (360, 710719), (388, 659430), (408, 627105), (431, 593640), (485, 527544), (510, 501684), (582, 439620), (612, 418070), (680, 376263), (765, 334456), (776, 329715), (862, 296820), (873, 293080), (970, 263772), (1020, 250842), (1164, 219810), (1224, 209035), (1293, 197880), (1455, 175848), (1530, 167228), (1649, 155160), (1724, 148410), (1746, 146540), (1940, 131886), (2040, 125421), (2155, 118728), (2328, 109905), (2586, 98940), (2910, 87924), (3060, 83614), (3298, 77580), (3448, 74205), (3492, 73270), (3879, 65960), (3880, 65943), (4310, 59364), (4365, 58616), (4947, 51720), (5172, 49470), (5820, 43962), (6120, 41807), (6465, 39576), (6596, 38790), (6984, 36635), (7327, 34920), (7758, 32980), (8245, 31032), (8620, 29682), (8730, 29308), (9894, 25860), (10344, 24735), (11640, 21981), (12930, 19788), (13192, 19395), (14654, 17460), (14841, 17240), (15516, 16490)]