289121560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1621}}^1$

素因数の和:1666

約数の個数: 128

約数和(自身を含む): 817488000

約数和(自身を除く): 528366440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 343, 364, 392, 455, 490, 520, 637, 686, 728, 910, 980, 1274, 1372, 1621, 1715, 1820, 1960, 2548, 2744, 3185, 3242, 3430, 3640, 4459, 5096, 6370, 6484, 6860, 8105, 8918, 11347, 12740, 12968, 13720, 16210, 17836, 21073, 22295, 22694, 25480, 32420, 35672, 42146, 44590, 45388, 56735, 64840, 79429, 84292, 89180, 90776, 105365, 113470, 147511, 158858, 168584, 178360, 210730, 226940, 295022, 317716, 397145, 421460, 453880, 556003, 590044, 635432, 737555, 794290, 842920, 1032577, 1112006, 1180088, 1475110, 1588580, 2065154, 2224012, 2780015, 2950220, 3177160, 4130308, 4448024, 5162885, 5560030, 5900440, 7228039, 8260616, 10325770, 11120060, 14456078, 20651540, 22240120, 28912156, 36140195, 41303080, 57824312, 72280390, 144560780, 289121560]

約数ペア:

[(1, 289121560), (2, 144560780), (4, 72280390), (5, 57824312), (7, 41303080), (8, 36140195), (10, 28912156), (13, 22240120), (14, 20651540), (20, 14456078), (26, 11120060), (28, 10325770), (35, 8260616), (40, 7228039), (49, 5900440), (52, 5560030), (56, 5162885), (65, 4448024), (70, 4130308), (91, 3177160), (98, 2950220), (104, 2780015), (130, 2224012), (140, 2065154), (182, 1588580), (196, 1475110), (245, 1180088), (260, 1112006), (280, 1032577), (343, 842920), (364, 794290), (392, 737555), (455, 635432), (490, 590044), (520, 556003), (637, 453880), (686, 421460), (728, 397145), (910, 317716), (980, 295022), (1274, 226940), (1372, 210730), (1621, 178360), (1715, 168584), (1820, 158858), (1960, 147511), (2548, 113470), (2744, 105365), (3185, 90776), (3242, 89180), (3430, 84292), (3640, 79429), (4459, 64840), (5096, 56735), (6370, 45388), (6484, 44590), (6860, 42146), (8105, 35672), (8918, 32420), (11347, 25480), (12740, 22694), (12968, 22295), (13720, 21073), (16210, 17836)]