254474640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{7213}}^1$

素因数の和:7246

約数の個数: 180

約数和(自身を含む): 994276764

約数和(自身を除く): 739802124

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 7213, 8820, 11760, 14426, 17640, 21639, 28852, 35280, 36065, 43278, 50491, 57704, 64917, 72130, 86556, 100982, 108195, 115408, 129834, 144260, 151473, 173112, 201964, 216390, 252455, 259668, 288520, 302946, 324585, 346224, 353437, 403928, 432780, 454419, 504910, 519336, 577040, 605892, 649170, 706874, 757365, 807856, 865560, 908838, 1009820, 1038672, 1060311, 1211784, 1298340, 1413748, 1514730, 1731120, 1767185, 1817676, 2019640, 2120622, 2272095, 2423568, 2596680, 2827496, 3029460, 3180933, 3534370, 3635352, 4039280, 4241244, 4544190, 5193360, 5301555, 5654992, 6058920, 6361866, 7068740, 7270704, 8482488, 9088380, 10603110, 12117840, 12723732, 14137480, 15904665, 16964976, 18176760, 21206220, 25447464, 28274960, 31809330, 36353520, 42412440, 50894928, 63618660, 84824880, 127237320, 254474640]

約数ペア:

[(1, 254474640), (2, 127237320), (3, 84824880), (4, 63618660), (5, 50894928), (6, 42412440), (7, 36353520), (8, 31809330), (9, 28274960), (10, 25447464), (12, 21206220), (14, 18176760), (15, 16964976), (16, 15904665), (18, 14137480), (20, 12723732), (21, 12117840), (24, 10603110), (28, 9088380), (30, 8482488), (35, 7270704), (36, 7068740), (40, 6361866), (42, 6058920), (45, 5654992), (48, 5301555), (49, 5193360), (56, 4544190), (60, 4241244), (63, 4039280), (70, 3635352), (72, 3534370), (80, 3180933), (84, 3029460), (90, 2827496), (98, 2596680), (105, 2423568), (112, 2272095), (120, 2120622), (126, 2019640), (140, 1817676), (144, 1767185), (147, 1731120), (168, 1514730), (180, 1413748), (196, 1298340), (210, 1211784), (240, 1060311), (245, 1038672), (252, 1009820), (280, 908838), (294, 865560), (315, 807856), (336, 757365), (360, 706874), (392, 649170), (420, 605892), (441, 577040), (490, 519336), (504, 504910), (560, 454419), (588, 432780), (630, 403928), (720, 353437), (735, 346224), (784, 324585), (840, 302946), (882, 288520), (980, 259668), (1008, 252455), (1176, 216390), (1260, 201964), (1470, 173112), (1680, 151473), (1764, 144260), (1960, 129834), (2205, 115408), (2352, 108195), (2520, 100982), (2940, 86556), (3528, 72130), (3920, 64917), (4410, 57704), (5040, 50491), (5880, 43278), (7056, 36065), (7213, 35280), (8820, 28852), (11760, 21639), (14426, 17640)]