12912780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 39029760

約数和(自身を除く): 26116980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 47, 57, 60, 76, 94, 95, 114, 141, 188, 190, 228, 235, 241, 282, 285, 380, 470, 482, 564, 570, 705, 723, 893, 940, 964, 1140, 1205, 1410, 1446, 1786, 2410, 2679, 2820, 2892, 3572, 3615, 4465, 4579, 4820, 5358, 7230, 8930, 9158, 10716, 11327, 13395, 13737, 14460, 17860, 18316, 22654, 22895, 26790, 27474, 33981, 45308, 45790, 53580, 54948, 56635, 67962, 68685, 91580, 113270, 135924, 137370, 169905, 215213, 226540, 274740, 339810, 430426, 645639, 679620, 860852, 1076065, 1291278, 2152130, 2582556, 3228195, 4304260, 6456390, 12912780]

約数ペア:

[(1, 12912780), (2, 6456390), (3, 4304260), (4, 3228195), (5, 2582556), (6, 2152130), (10, 1291278), (12, 1076065), (15, 860852), (19, 679620), (20, 645639), (30, 430426), (38, 339810), (47, 274740), (57, 226540), (60, 215213), (76, 169905), (94, 137370), (95, 135924), (114, 113270), (141, 91580), (188, 68685), (190, 67962), (228, 56635), (235, 54948), (241, 53580), (282, 45790), (285, 45308), (380, 33981), (470, 27474), (482, 26790), (564, 22895), (570, 22654), (705, 18316), (723, 17860), (893, 14460), (940, 13737), (964, 13395), (1140, 11327), (1205, 10716), (1410, 9158), (1446, 8930), (1786, 7230), (2410, 5358), (2679, 4820), (2820, 4579), (2892, 4465), (3572, 3615)]