2161914440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 256

約数和(自身を含む): 6125137920

約数和(自身を除く): 3963223480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 43, 46, 56, 70, 74, 86, 92, 115, 140, 148, 161, 172, 184, 185, 211, 215, 230, 259, 280, 296, 301, 322, 344, 370, 422, 430, 460, 518, 602, 644, 740, 805, 844, 851, 860, 920, 989, 1036, 1055, 1204, 1288, 1295, 1477, 1480, 1505, 1591, 1610, 1688, 1702, 1720, 1978, 2072, 2110, 2408, 2590, 2954, 3010, 3182, 3220, 3404, 3956, 4220, 4255, 4853, 4945, 5180, 5908, 5957, 6020, 6364, 6440, 6808, 6923, 7385, 7807, 7912, 7955, 8440, 8510, 9073, 9706, 9890, 10360, 11137, 11816, 11914, 12040, 12728, 13846, 14770, 15614, 15910, 17020, 18146, 19412, 19780, 22274, 23828, 24265, 27692, 29540, 29785, 31228, 31820, 33971, 34040, 34615, 36292, 36593, 38824, 39035, 39560, 44548, 45365, 47656, 48530, 54649, 55384, 55685, 59080, 59570, 62456, 63511, 63640, 67942, 69230, 72584, 73186, 78070, 89096, 90730, 97060, 109298, 111370, 119140, 127022, 135884, 138460, 146372, 156140, 169855, 179561, 181460, 182965, 194120, 208679, 218596, 222740, 238280, 254044, 256151, 271768, 273245, 276920, 292744, 312280, 317555, 335701, 339710, 359122, 362920, 365930, 417358, 437192, 445480, 508088, 512302, 546490, 635110, 671402, 679420, 718244, 731860, 834716, 897805, 1024604, 1043395, 1092980, 1256927, 1270220, 1280755, 1342804, 1358840, 1436488, 1460753, 1463720, 1669432, 1678505, 1795610, 2049208, 2086790, 2185960, 2349907, 2513854, 2540440, 2561510, 2685608, 2921506, 3357010, 3591220, 4173580, 4699814, 5027708, 5123020, 5843012, 6284635, 6714020, 7182440, 7303765, 7721123, 8347160, 9399628, 10055416, 10246040, 11686024, 11749535, 12569270, 13428040, 14607530, 15442246, 18799256, 23499070, 25138540, 29215060, 30884492, 38605615, 46998140, 50277080, 54047861, 58430120, 61768984, 77211230, 93996280, 108095722, 154422460, 216191444, 270239305, 308844920, 432382888, 540478610, 1080957220, 2161914440]

約数ペア:

[(1, 2161914440), (2, 1080957220), (4, 540478610), (5, 432382888), (7, 308844920), (8, 270239305), (10, 216191444), (14, 154422460), (20, 108095722), (23, 93996280), (28, 77211230), (35, 61768984), (37, 58430120), (40, 54047861), (43, 50277080), (46, 46998140), (56, 38605615), (70, 30884492), (74, 29215060), (86, 25138540), (92, 23499070), (115, 18799256), (140, 15442246), (148, 14607530), (161, 13428040), (172, 12569270), (184, 11749535), (185, 11686024), (211, 10246040), (215, 10055416), (230, 9399628), (259, 8347160), (280, 7721123), (296, 7303765), (301, 7182440), (322, 6714020), (344, 6284635), (370, 5843012), (422, 5123020), (430, 5027708), (460, 4699814), (518, 4173580), (602, 3591220), (644, 3357010), (740, 2921506), (805, 2685608), (844, 2561510), (851, 2540440), (860, 2513854), (920, 2349907), (989, 2185960), (1036, 2086790), (1055, 2049208), (1204, 1795610), (1288, 1678505), (1295, 1669432), (1477, 1463720), (1480, 1460753), (1505, 1436488), (1591, 1358840), (1610, 1342804), (1688, 1280755), (1702, 1270220), (1720, 1256927), (1978, 1092980), (2072, 1043395), (2110, 1024604), (2408, 897805), (2590, 834716), (2954, 731860), (3010, 718244), (3182, 679420), (3220, 671402), (3404, 635110), (3956, 546490), (4220, 512302), (4255, 508088), (4853, 445480), (4945, 437192), (5180, 417358), (5908, 365930), (5957, 362920), (6020, 359122), (6364, 339710), (6440, 335701), (6808, 317555), (6923, 312280), (7385, 292744), (7807, 276920), (7912, 273245), (7955, 271768), (8440, 256151), (8510, 254044), (9073, 238280), (9706, 222740), (9890, 218596), (10360, 208679), (11137, 194120), (11816, 182965), (11914, 181460), (12040, 179561), (12728, 169855), (13846, 156140), (14770, 146372), (15614, 138460), (15910, 135884), (17020, 127022), (18146, 119140), (19412, 111370), (19780, 109298), (22274, 97060), (23828, 90730), (24265, 89096), (27692, 78070), (29540, 73186), (29785, 72584), (31228, 69230), (31820, 67942), (33971, 63640), (34040, 63511), (34615, 62456), (36292, 59570), (36593, 59080), (38824, 55685), (39035, 55384), (39560, 54649), (44548, 48530), (45365, 47656)]