2871960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 10644480

約数和(自身を除く): 7772520

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, 263, 273, 280, 312, 364, 390, 420, 455, 520, 526, 546, 728, 780, 789, 840, 910, 1052, 1092, 1315, 1365, 1560, 1578, 1820, 1841, 2104, 2184, 2630, 2730, 3156, 3419, 3640, 3682, 3945, 5260, 5460, 5523, 6312, 6838, 7364, 7890, 9205, 10257, 10520, 10920, 11046, 13676, 14728, 15780, 17095, 18410, 20514, 22092, 23933, 27352, 27615, 31560, 34190, 36820, 41028, 44184, 47866, 51285, 55230, 68380, 71799, 73640, 82056, 95732, 102570, 110460, 119665, 136760, 143598, 191464, 205140, 220920, 239330, 287196, 358995, 410280, 478660, 574392, 717990, 957320, 1435980, 2871960]

約数ペア:

[(1, 2871960), (2, 1435980), (3, 957320), (4, 717990), (5, 574392), (6, 478660), (7, 410280), (8, 358995), (10, 287196), (12, 239330), (13, 220920), (14, 205140), (15, 191464), (20, 143598), (21, 136760), (24, 119665), (26, 110460), (28, 102570), (30, 95732), (35, 82056), (39, 73640), (40, 71799), (42, 68380), (52, 55230), (56, 51285), (60, 47866), (65, 44184), (70, 41028), (78, 36820), (84, 34190), (91, 31560), (104, 27615), (105, 27352), (120, 23933), (130, 22092), (140, 20514), (156, 18410), (168, 17095), (182, 15780), (195, 14728), (210, 13676), (260, 11046), (263, 10920), (273, 10520), (280, 10257), (312, 9205), (364, 7890), (390, 7364), (420, 6838), (455, 6312), (520, 5523), (526, 5460), (546, 5260), (728, 3945), (780, 3682), (789, 3640), (840, 3419), (910, 3156), (1052, 2730), (1092, 2630), (1315, 2184), (1365, 2104), (1560, 1841), (1578, 1820)]