1971566520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6883}}^1$

素因数の和:6946

約数の個数: 256

約数和(自身を含む): 7613153280

約数和(自身を除く): 5641586760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 55, 56, 60, 62, 66, 70, 77, 84, 88, 93, 105, 110, 120, 124, 132, 140, 154, 155, 165, 168, 186, 210, 217, 220, 231, 248, 264, 280, 308, 310, 330, 341, 372, 385, 420, 434, 440, 462, 465, 616, 620, 651, 660, 682, 744, 770, 840, 868, 924, 930, 1023, 1085, 1155, 1240, 1302, 1320, 1364, 1540, 1705, 1736, 1848, 1860, 2046, 2170, 2310, 2387, 2604, 2728, 3080, 3255, 3410, 3720, 4092, 4340, 4620, 4774, 5115, 5208, 6510, 6820, 6883, 7161, 8184, 8680, 9240, 9548, 10230, 11935, 13020, 13640, 13766, 14322, 19096, 20460, 20649, 23870, 26040, 27532, 28644, 34415, 35805, 40920, 41298, 47740, 48181, 55064, 57288, 68830, 71610, 75713, 82596, 95480, 96362, 103245, 137660, 143220, 144543, 151426, 165192, 192724, 206490, 213373, 227139, 240905, 275320, 286440, 289086, 302852, 378565, 385448, 412980, 426746, 454278, 481810, 529991, 578172, 605704, 640119, 722715, 757130, 825960, 853492, 908556, 963620, 1059982, 1066865, 1135695, 1156344, 1280238, 1445430, 1493611, 1514260, 1589973, 1706984, 1817112, 1927240, 2119964, 2133730, 2271390, 2347103, 2560476, 2649955, 2890860, 2987222, 3028520, 3179946, 3200595, 4239928, 4267460, 4480833, 4542780, 4694206, 5120952, 5299910, 5781720, 5974444, 6359892, 6401190, 7041309, 7468055, 7949865, 8534920, 8961666, 9085560, 9388412, 10599820, 11735515, 11948888, 12719784, 12802380, 14082618, 14936110, 15899730, 16429721, 17923332, 18776824, 21199640, 22404165, 23471030, 25604760, 28165236, 29872220, 31799460, 32859442, 35206545, 35846664, 44808330, 46942060, 49289163, 56330472, 59744440, 63598920, 65718884, 70413090, 82148605, 89616660, 93884120, 98578326, 131437768, 140826180, 164297210, 179233320, 197156652, 246445815, 281652360, 328594420, 394313304, 492891630, 657188840, 985783260, 1971566520]

約数ペア:

[(1, 1971566520), (2, 985783260), (3, 657188840), (4, 492891630), (5, 394313304), (6, 328594420), (7, 281652360), (8, 246445815), (10, 197156652), (11, 179233320), (12, 164297210), (14, 140826180), (15, 131437768), (20, 98578326), (21, 93884120), (22, 89616660), (24, 82148605), (28, 70413090), (30, 65718884), (31, 63598920), (33, 59744440), (35, 56330472), (40, 49289163), (42, 46942060), (44, 44808330), (55, 35846664), (56, 35206545), (60, 32859442), (62, 31799460), (66, 29872220), (70, 28165236), (77, 25604760), (84, 23471030), (88, 22404165), (93, 21199640), (105, 18776824), (110, 17923332), (120, 16429721), (124, 15899730), (132, 14936110), (140, 14082618), (154, 12802380), (155, 12719784), (165, 11948888), (168, 11735515), (186, 10599820), (210, 9388412), (217, 9085560), (220, 8961666), (231, 8534920), (248, 7949865), (264, 7468055), (280, 7041309), (308, 6401190), (310, 6359892), (330, 5974444), (341, 5781720), (372, 5299910), (385, 5120952), (420, 4694206), (434, 4542780), (440, 4480833), (462, 4267460), (465, 4239928), (616, 3200595), (620, 3179946), (651, 3028520), (660, 2987222), (682, 2890860), (744, 2649955), (770, 2560476), (840, 2347103), (868, 2271390), (924, 2133730), (930, 2119964), (1023, 1927240), (1085, 1817112), (1155, 1706984), (1240, 1589973), (1302, 1514260), (1320, 1493611), (1364, 1445430), (1540, 1280238), (1705, 1156344), (1736, 1135695), (1848, 1066865), (1860, 1059982), (2046, 963620), (2170, 908556), (2310, 853492), (2387, 825960), (2604, 757130), (2728, 722715), (3080, 640119), (3255, 605704), (3410, 578172), (3720, 529991), (4092, 481810), (4340, 454278), (4620, 426746), (4774, 412980), (5115, 385448), (5208, 378565), (6510, 302852), (6820, 289086), (6883, 286440), (7161, 275320), (8184, 240905), (8680, 227139), (9240, 213373), (9548, 206490), (10230, 192724), (11935, 165192), (13020, 151426), (13640, 144543), (13766, 143220), (14322, 137660), (19096, 103245), (20460, 96362), (20649, 95480), (23870, 82596), (26040, 75713), (27532, 71610), (28644, 68830), (34415, 57288), (35805, 55064), (40920, 48181), (41298, 47740)]