28448280

素因数分解:

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

素因数の和:151

約数の個数: 256

約数和(自身を含む): 111974400

約数和(自身を除く): 83526120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 53, 54, 56, 60, 63, 70, 71, 72, 84, 90, 105, 106, 108, 120, 126, 135, 140, 142, 159, 168, 180, 189, 210, 212, 213, 216, 252, 265, 270, 280, 284, 315, 318, 355, 360, 371, 378, 420, 424, 426, 477, 497, 504, 530, 540, 568, 630, 636, 639, 710, 742, 756, 795, 840, 852, 945, 954, 994, 1060, 1065, 1080, 1113, 1260, 1272, 1278, 1420, 1431, 1484, 1491, 1512, 1590, 1704, 1855, 1890, 1908, 1917, 1988, 2120, 2130, 2226, 2385, 2485, 2520, 2556, 2840, 2862, 2968, 2982, 3180, 3195, 3339, 3710, 3763, 3780, 3816, 3834, 3976, 4260, 4452, 4473, 4770, 4970, 5112, 5565, 5724, 5964, 6360, 6390, 6678, 7155, 7420, 7455, 7526, 7560, 7668, 8520, 8904, 8946, 9540, 9585, 9940, 10017, 11130, 11289, 11448, 11928, 12780, 13356, 13419, 14310, 14840, 14910, 15052, 15336, 16695, 17892, 18815, 19080, 19170, 19880, 20034, 22260, 22365, 22578, 25560, 26341, 26712, 26838, 28620, 29820, 30104, 33390, 33867, 35784, 37630, 38340, 40068, 44520, 44730, 45156, 50085, 52682, 53676, 56445, 57240, 59640, 66780, 67095, 67734, 75260, 76680, 79023, 80136, 89460, 90312, 100170, 101601, 105364, 107352, 112890, 131705, 133560, 134190, 135468, 150520, 158046, 169335, 178920, 200340, 203202, 210728, 225780, 237069, 263410, 268380, 270936, 316092, 338670, 395115, 400680, 406404, 451560, 474138, 508005, 526820, 536760, 632184, 677340, 711207, 790230, 812808, 948276, 1016010, 1053640, 1185345, 1354680, 1422414, 1580460, 1896552, 2032020, 2370690, 2844828, 3160920, 3556035, 4064040, 4741380, 5689656, 7112070, 9482760, 14224140, 28448280]

約数ペア:

[(1, 28448280), (2, 14224140), (3, 9482760), (4, 7112070), (5, 5689656), (6, 4741380), (7, 4064040), (8, 3556035), (9, 3160920), (10, 2844828), (12, 2370690), (14, 2032020), (15, 1896552), (18, 1580460), (20, 1422414), (21, 1354680), (24, 1185345), (27, 1053640), (28, 1016010), (30, 948276), (35, 812808), (36, 790230), (40, 711207), (42, 677340), (45, 632184), (53, 536760), (54, 526820), (56, 508005), (60, 474138), (63, 451560), (70, 406404), (71, 400680), (72, 395115), (84, 338670), (90, 316092), (105, 270936), (106, 268380), (108, 263410), (120, 237069), (126, 225780), (135, 210728), (140, 203202), (142, 200340), (159, 178920), (168, 169335), (180, 158046), (189, 150520), (210, 135468), (212, 134190), (213, 133560), (216, 131705), (252, 112890), (265, 107352), (270, 105364), (280, 101601), (284, 100170), (315, 90312), (318, 89460), (355, 80136), (360, 79023), (371, 76680), (378, 75260), (420, 67734), (424, 67095), (426, 66780), (477, 59640), (497, 57240), (504, 56445), (530, 53676), (540, 52682), (568, 50085), (630, 45156), (636, 44730), (639, 44520), (710, 40068), (742, 38340), (756, 37630), (795, 35784), (840, 33867), (852, 33390), (945, 30104), (954, 29820), (994, 28620), (1060, 26838), (1065, 26712), (1080, 26341), (1113, 25560), (1260, 22578), (1272, 22365), (1278, 22260), (1420, 20034), (1431, 19880), (1484, 19170), (1491, 19080), (1512, 18815), (1590, 17892), (1704, 16695), (1855, 15336), (1890, 15052), (1908, 14910), (1917, 14840), (1988, 14310), (2120, 13419), (2130, 13356), (2226, 12780), (2385, 11928), (2485, 11448), (2520, 11289), (2556, 11130), (2840, 10017), (2862, 9940), (2968, 9585), (2982, 9540), (3180, 8946), (3195, 8904), (3339, 8520), (3710, 7668), (3763, 7560), (3780, 7526), (3816, 7455), (3834, 7420), (3976, 7155), (4260, 6678), (4452, 6390), (4473, 6360), (4770, 5964), (4970, 5724), (5112, 5565)]