30783480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2819}}^1$

素因数の和:2853

約数の個数: 128

約数和(自身を含む): 113702400

約数和(自身を除く): 82918920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 2819, 3640, 5460, 5638, 8457, 10920, 11276, 14095, 16914, 19733, 22552, 28190, 33828, 36647, 39466, 42285, 56380, 59199, 67656, 73294, 78932, 84570, 98665, 109941, 112760, 118398, 146588, 157864, 169140, 183235, 197330, 219882, 236796, 256529, 293176, 295995, 338280, 366470, 394660, 439764, 473592, 513058, 549705, 591990, 732940, 769587, 789320, 879528, 1026116, 1099410, 1183980, 1282645, 1465880, 1539174, 2052232, 2198820, 2367960, 2565290, 3078348, 3847935, 4397640, 5130580, 6156696, 7695870, 10261160, 15391740, 30783480]

約数ペア:

[(1, 30783480), (2, 15391740), (3, 10261160), (4, 7695870), (5, 6156696), (6, 5130580), (7, 4397640), (8, 3847935), (10, 3078348), (12, 2565290), (13, 2367960), (14, 2198820), (15, 2052232), (20, 1539174), (21, 1465880), (24, 1282645), (26, 1183980), (28, 1099410), (30, 1026116), (35, 879528), (39, 789320), (40, 769587), (42, 732940), (52, 591990), (56, 549705), (60, 513058), (65, 473592), (70, 439764), (78, 394660), (84, 366470), (91, 338280), (104, 295995), (105, 293176), (120, 256529), (130, 236796), (140, 219882), (156, 197330), (168, 183235), (182, 169140), (195, 157864), (210, 146588), (260, 118398), (273, 112760), (280, 109941), (312, 98665), (364, 84570), (390, 78932), (420, 73294), (455, 67656), (520, 59199), (546, 56380), (728, 42285), (780, 39466), (840, 36647), (910, 33828), (1092, 28190), (1365, 22552), (1560, 19733), (1820, 16914), (2184, 14095), (2730, 11276), (2819, 10920), (3640, 8457), (5460, 5638)]