401863560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3767}}^1$

素因数の和:3915

約数の個数: 128

約数和(自身を含む): 1389035520

約数和(自身を除く): 987171960

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, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1905, 2540, 2667, 3048, 3556, 3767, 3810, 4445, 5080, 5334, 7112, 7534, 7620, 8890, 10668, 11301, 13335, 15068, 15240, 17780, 18835, 21336, 22602, 26369, 26670, 30136, 35560, 37670, 45204, 52738, 53340, 56505, 75340, 79107, 90408, 105476, 106680, 113010, 131845, 150680, 158214, 210952, 226020, 263690, 316428, 395535, 452040, 478409, 527380, 632856, 791070, 956818, 1054760, 1435227, 1582140, 1913636, 2392045, 2870454, 3164280, 3348863, 3827272, 4784090, 5740908, 6697726, 7176135, 9568180, 10046589, 11481816, 13395452, 14352270, 16744315, 19136360, 20093178, 26790904, 28704540, 33488630, 40186356, 50232945, 57409080, 66977260, 80372712, 100465890, 133954520, 200931780, 401863560]

約数ペア:

[(1, 401863560), (2, 200931780), (3, 133954520), (4, 100465890), (5, 80372712), (6, 66977260), (7, 57409080), (8, 50232945), (10, 40186356), (12, 33488630), (14, 28704540), (15, 26790904), (20, 20093178), (21, 19136360), (24, 16744315), (28, 14352270), (30, 13395452), (35, 11481816), (40, 10046589), (42, 9568180), (56, 7176135), (60, 6697726), (70, 5740908), (84, 4784090), (105, 3827272), (120, 3348863), (127, 3164280), (140, 2870454), (168, 2392045), (210, 1913636), (254, 1582140), (280, 1435227), (381, 1054760), (420, 956818), (508, 791070), (635, 632856), (762, 527380), (840, 478409), (889, 452040), (1016, 395535), (1270, 316428), (1524, 263690), (1778, 226020), (1905, 210952), (2540, 158214), (2667, 150680), (3048, 131845), (3556, 113010), (3767, 106680), (3810, 105476), (4445, 90408), (5080, 79107), (5334, 75340), (7112, 56505), (7534, 53340), (7620, 52738), (8890, 45204), (10668, 37670), (11301, 35560), (13335, 30136), (15068, 26670), (15240, 26369), (17780, 22602), (18835, 21336)]