279375720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 256

約数和(自身を含む): 958003200

約数和(自身を除く): 678627480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 53, 60, 62, 65, 78, 93, 104, 106, 109, 120, 124, 130, 155, 156, 159, 186, 195, 212, 218, 248, 260, 265, 310, 312, 318, 327, 372, 390, 403, 424, 436, 465, 520, 530, 545, 620, 636, 654, 689, 744, 780, 795, 806, 872, 930, 1060, 1090, 1209, 1240, 1272, 1308, 1378, 1417, 1560, 1590, 1612, 1635, 1643, 1860, 2015, 2067, 2120, 2180, 2418, 2616, 2756, 2834, 3180, 3224, 3270, 3286, 3379, 3445, 3720, 4030, 4134, 4251, 4360, 4836, 4929, 5512, 5668, 5777, 6045, 6360, 6540, 6572, 6758, 6890, 7085, 8060, 8215, 8268, 8502, 9672, 9858, 10137, 10335, 11336, 11554, 12090, 13080, 13144, 13516, 13780, 14170, 16120, 16430, 16536, 16895, 17004, 17331, 19716, 20274, 20670, 21255, 21359, 23108, 24180, 24645, 27032, 27560, 28340, 28885, 32860, 33790, 34008, 34662, 39432, 40548, 41340, 42510, 42718, 43927, 46216, 48360, 49290, 50685, 56680, 57770, 64077, 65720, 67580, 69324, 75101, 81096, 82680, 85020, 85436, 86655, 87854, 98580, 101370, 106795, 115540, 128154, 131781, 135160, 138648, 150202, 170040, 170872, 173310, 175708, 179087, 197160, 202740, 213590, 219635, 225303, 231080, 256308, 263562, 300404, 320385, 346620, 351416, 358174, 375505, 405480, 427180, 439270, 450606, 512616, 527124, 537261, 600808, 640770, 658905, 693240, 716348, 751010, 854360, 878540, 895435, 901212, 1054248, 1074522, 1126515, 1281540, 1317810, 1432696, 1502020, 1757080, 1790870, 1802424, 2149044, 2253030, 2328131, 2563080, 2635620, 2686305, 3004040, 3581740, 4298088, 4506060, 4656262, 5271240, 5372610, 6984393, 7163480, 9012120, 9312524, 10745220, 11640655, 13968786, 18625048, 21490440, 23281310, 27937572, 34921965, 46562620, 55875144, 69843930, 93125240, 139687860, 279375720]

約数ペア:

[(1, 279375720), (2, 139687860), (3, 93125240), (4, 69843930), (5, 55875144), (6, 46562620), (8, 34921965), (10, 27937572), (12, 23281310), (13, 21490440), (15, 18625048), (20, 13968786), (24, 11640655), (26, 10745220), (30, 9312524), (31, 9012120), (39, 7163480), (40, 6984393), (52, 5372610), (53, 5271240), (60, 4656262), (62, 4506060), (65, 4298088), (78, 3581740), (93, 3004040), (104, 2686305), (106, 2635620), (109, 2563080), (120, 2328131), (124, 2253030), (130, 2149044), (155, 1802424), (156, 1790870), (159, 1757080), (186, 1502020), (195, 1432696), (212, 1317810), (218, 1281540), (248, 1126515), (260, 1074522), (265, 1054248), (310, 901212), (312, 895435), (318, 878540), (327, 854360), (372, 751010), (390, 716348), (403, 693240), (424, 658905), (436, 640770), (465, 600808), (520, 537261), (530, 527124), (545, 512616), (620, 450606), (636, 439270), (654, 427180), (689, 405480), (744, 375505), (780, 358174), (795, 351416), (806, 346620), (872, 320385), (930, 300404), (1060, 263562), (1090, 256308), (1209, 231080), (1240, 225303), (1272, 219635), (1308, 213590), (1378, 202740), (1417, 197160), (1560, 179087), (1590, 175708), (1612, 173310), (1635, 170872), (1643, 170040), (1860, 150202), (2015, 138648), (2067, 135160), (2120, 131781), (2180, 128154), (2418, 115540), (2616, 106795), (2756, 101370), (2834, 98580), (3180, 87854), (3224, 86655), (3270, 85436), (3286, 85020), (3379, 82680), (3445, 81096), (3720, 75101), (4030, 69324), (4134, 67580), (4251, 65720), (4360, 64077), (4836, 57770), (4929, 56680), (5512, 50685), (5668, 49290), (5777, 48360), (6045, 46216), (6360, 43927), (6540, 42718), (6572, 42510), (6758, 41340), (6890, 40548), (7085, 39432), (8060, 34662), (8215, 34008), (8268, 33790), (8502, 32860), (9672, 28885), (9858, 28340), (10137, 27560), (10335, 27032), (11336, 24645), (11554, 24180), (12090, 23108), (13080, 21359), (13144, 21255), (13516, 20670), (13780, 20274), (14170, 19716), (16120, 17331), (16430, 17004), (16536, 16895)]