320833380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 288

約数和(自身を含む): 1116944640

約数和(自身を除く): 796111260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 53, 58, 60, 70, 71, 84, 87, 98, 105, 106, 116, 140, 142, 145, 147, 159, 174, 196, 203, 210, 212, 213, 245, 265, 284, 290, 294, 318, 348, 355, 371, 406, 420, 426, 435, 490, 497, 530, 580, 588, 609, 636, 710, 735, 742, 795, 812, 852, 870, 980, 994, 1015, 1060, 1065, 1113, 1218, 1420, 1421, 1470, 1484, 1491, 1537, 1590, 1740, 1855, 1988, 2030, 2059, 2130, 2226, 2436, 2485, 2597, 2842, 2940, 2982, 3045, 3074, 3180, 3479, 3710, 3763, 4060, 4118, 4260, 4263, 4452, 4611, 4970, 5194, 5565, 5684, 5964, 6090, 6148, 6177, 6958, 7105, 7420, 7455, 7526, 7685, 7791, 8236, 8526, 9222, 9940, 10295, 10388, 10437, 10759, 11130, 11289, 12180, 12354, 12985, 13916, 14210, 14413, 14910, 15052, 15370, 15582, 17052, 17395, 18444, 18815, 20590, 20874, 21315, 21518, 22260, 22578, 23055, 24708, 25970, 26341, 28420, 28826, 29820, 30740, 30885, 31164, 32277, 34790, 37630, 38955, 41180, 41748, 42630, 43036, 43239, 45156, 46110, 51940, 52185, 52682, 53795, 56445, 57652, 61770, 64554, 69580, 72065, 75260, 75313, 77910, 79023, 85260, 86478, 92220, 100891, 104370, 105364, 107590, 109127, 112890, 123540, 129108, 131705, 144130, 150626, 155820, 158046, 161385, 172956, 184387, 201782, 208740, 215180, 216195, 218254, 225780, 225939, 263410, 288260, 301252, 302673, 316092, 322770, 327381, 368774, 376565, 395115, 403564, 432390, 436508, 451878, 504455, 526820, 545635, 553161, 605346, 645540, 654762, 737548, 753130, 763889, 790230, 864780, 903756, 921935, 1008910, 1091270, 1106322, 1129695, 1210692, 1309524, 1506260, 1513365, 1527778, 1580460, 1636905, 1843870, 2017820, 2182540, 2212644, 2259390, 2291667, 2765805, 3026730, 3055556, 3273810, 3687740, 3819445, 4518780, 4583334, 5347223, 5531610, 6053460, 6547620, 7638890, 9166668, 10694446, 11063220, 11458335, 15277780, 16041669, 21388892, 22916670, 26736115, 32083338, 45833340, 53472230, 64166676, 80208345, 106944460, 160416690, 320833380]

約数ペア:

[(1, 320833380), (2, 160416690), (3, 106944460), (4, 80208345), (5, 64166676), (6, 53472230), (7, 45833340), (10, 32083338), (12, 26736115), (14, 22916670), (15, 21388892), (20, 16041669), (21, 15277780), (28, 11458335), (29, 11063220), (30, 10694446), (35, 9166668), (42, 7638890), (49, 6547620), (53, 6053460), (58, 5531610), (60, 5347223), (70, 4583334), (71, 4518780), (84, 3819445), (87, 3687740), (98, 3273810), (105, 3055556), (106, 3026730), (116, 2765805), (140, 2291667), (142, 2259390), (145, 2212644), (147, 2182540), (159, 2017820), (174, 1843870), (196, 1636905), (203, 1580460), (210, 1527778), (212, 1513365), (213, 1506260), (245, 1309524), (265, 1210692), (284, 1129695), (290, 1106322), (294, 1091270), (318, 1008910), (348, 921935), (355, 903756), (371, 864780), (406, 790230), (420, 763889), (426, 753130), (435, 737548), (490, 654762), (497, 645540), (530, 605346), (580, 553161), (588, 545635), (609, 526820), (636, 504455), (710, 451878), (735, 436508), (742, 432390), (795, 403564), (812, 395115), (852, 376565), (870, 368774), (980, 327381), (994, 322770), (1015, 316092), (1060, 302673), (1065, 301252), (1113, 288260), (1218, 263410), (1420, 225939), (1421, 225780), (1470, 218254), (1484, 216195), (1491, 215180), (1537, 208740), (1590, 201782), (1740, 184387), (1855, 172956), (1988, 161385), (2030, 158046), (2059, 155820), (2130, 150626), (2226, 144130), (2436, 131705), (2485, 129108), (2597, 123540), (2842, 112890), (2940, 109127), (2982, 107590), (3045, 105364), (3074, 104370), (3180, 100891), (3479, 92220), (3710, 86478), (3763, 85260), (4060, 79023), (4118, 77910), (4260, 75313), (4263, 75260), (4452, 72065), (4611, 69580), (4970, 64554), (5194, 61770), (5565, 57652), (5684, 56445), (5964, 53795), (6090, 52682), (6148, 52185), (6177, 51940), (6958, 46110), (7105, 45156), (7420, 43239), (7455, 43036), (7526, 42630), (7685, 41748), (7791, 41180), (8236, 38955), (8526, 37630), (9222, 34790), (9940, 32277), (10295, 31164), (10388, 30885), (10437, 30740), (10759, 29820), (11130, 28826), (11289, 28420), (12180, 26341), (12354, 25970), (12985, 24708), (13916, 23055), (14210, 22578), (14413, 22260), (14910, 21518), (15052, 21315), (15370, 20874), (15582, 20590), (17052, 18815), (17395, 18444)]