127929420

素因数分解:

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

素因数の和:560

約数の個数: 144

約数和(自身を含む): 416078208

約数和(自身を除く): 288148788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 97, 102, 153, 170, 180, 194, 204, 255, 291, 306, 340, 388, 431, 485, 510, 582, 612, 765, 862, 873, 970, 1020, 1164, 1293, 1455, 1530, 1649, 1724, 1746, 1940, 2155, 2586, 2910, 3060, 3298, 3492, 3879, 4310, 4365, 4947, 5172, 5820, 6465, 6596, 7327, 7758, 8245, 8620, 8730, 9894, 12930, 14654, 14841, 15516, 16490, 17460, 19395, 19788, 21981, 24735, 25860, 29308, 29682, 32980, 36635, 38790, 41807, 43962, 49470, 59364, 65943, 73270, 74205, 77580, 83614, 87924, 98940, 109905, 125421, 131886, 146540, 148410, 167228, 209035, 219810, 250842, 263772, 296820, 329715, 376263, 418070, 439620, 501684, 627105, 659430, 710719, 752526, 836140, 1254210, 1318860, 1421438, 1505052, 1881315, 2132157, 2508420, 2842876, 3553595, 3762630, 4264314, 6396471, 7107190, 7525260, 8528628, 10660785, 12792942, 14214380, 21321570, 25585884, 31982355, 42643140, 63964710, 127929420]

約数ペア:

[(1, 127929420), (2, 63964710), (3, 42643140), (4, 31982355), (5, 25585884), (6, 21321570), (9, 14214380), (10, 12792942), (12, 10660785), (15, 8528628), (17, 7525260), (18, 7107190), (20, 6396471), (30, 4264314), (34, 3762630), (36, 3553595), (45, 2842876), (51, 2508420), (60, 2132157), (68, 1881315), (85, 1505052), (90, 1421438), (97, 1318860), (102, 1254210), (153, 836140), (170, 752526), (180, 710719), (194, 659430), (204, 627105), (255, 501684), (291, 439620), (306, 418070), (340, 376263), (388, 329715), (431, 296820), (485, 263772), (510, 250842), (582, 219810), (612, 209035), (765, 167228), (862, 148410), (873, 146540), (970, 131886), (1020, 125421), (1164, 109905), (1293, 98940), (1455, 87924), (1530, 83614), (1649, 77580), (1724, 74205), (1746, 73270), (1940, 65943), (2155, 59364), (2586, 49470), (2910, 43962), (3060, 41807), (3298, 38790), (3492, 36635), (3879, 32980), (4310, 29682), (4365, 29308), (4947, 25860), (5172, 24735), (5820, 21981), (6465, 19788), (6596, 19395), (7327, 17460), (7758, 16490), (8245, 15516), (8620, 14841), (8730, 14654), (9894, 12930)]