129713640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{503}}^1$

素因数の和:831

約数の個数: 128

約数和(自身を含む): 447068160

約数和(自身を除く): 317354520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 307, 420, 503, 614, 840, 921, 1006, 1228, 1509, 1535, 1842, 2012, 2149, 2456, 2515, 3018, 3070, 3521, 3684, 4024, 4298, 4605, 5030, 6036, 6140, 6447, 7042, 7368, 7545, 8596, 9210, 10060, 10563, 10745, 12072, 12280, 12894, 14084, 15090, 17192, 17605, 18420, 20120, 21126, 21490, 25788, 28168, 30180, 32235, 35210, 36840, 42252, 42980, 51576, 52815, 60360, 64470, 70420, 84504, 85960, 105630, 128940, 140840, 154421, 211260, 257880, 308842, 422520, 463263, 617684, 772105, 926526, 1080947, 1235368, 1544210, 1853052, 2161894, 2316315, 3088420, 3242841, 3706104, 4323788, 4632630, 5404735, 6176840, 6485682, 8647576, 9265260, 10809470, 12971364, 16214205, 18530520, 21618940, 25942728, 32428410, 43237880, 64856820, 129713640]

約数ペア:

[(1, 129713640), (2, 64856820), (3, 43237880), (4, 32428410), (5, 25942728), (6, 21618940), (7, 18530520), (8, 16214205), (10, 12971364), (12, 10809470), (14, 9265260), (15, 8647576), (20, 6485682), (21, 6176840), (24, 5404735), (28, 4632630), (30, 4323788), (35, 3706104), (40, 3242841), (42, 3088420), (56, 2316315), (60, 2161894), (70, 1853052), (84, 1544210), (105, 1235368), (120, 1080947), (140, 926526), (168, 772105), (210, 617684), (280, 463263), (307, 422520), (420, 308842), (503, 257880), (614, 211260), (840, 154421), (921, 140840), (1006, 128940), (1228, 105630), (1509, 85960), (1535, 84504), (1842, 70420), (2012, 64470), (2149, 60360), (2456, 52815), (2515, 51576), (3018, 42980), (3070, 42252), (3521, 36840), (3684, 35210), (4024, 32235), (4298, 30180), (4605, 28168), (5030, 25788), (6036, 21490), (6140, 21126), (6447, 20120), (7042, 18420), (7368, 17605), (7545, 17192), (8596, 15090), (9210, 14084), (10060, 12894), (10563, 12280), (10745, 12072)]