2989080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 144

約数和(自身を含む): 10698480

約数和(自身を除く): 7709400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 23, 24, 30, 36, 38, 40, 45, 46, 57, 60, 69, 72, 76, 90, 92, 95, 114, 115, 120, 138, 152, 171, 180, 184, 190, 207, 228, 230, 276, 285, 342, 345, 360, 361, 380, 414, 437, 456, 460, 552, 570, 684, 690, 722, 760, 828, 855, 874, 920, 1035, 1083, 1140, 1311, 1368, 1380, 1444, 1656, 1710, 1748, 1805, 2070, 2166, 2185, 2280, 2622, 2760, 2888, 3249, 3420, 3496, 3610, 3933, 4140, 4332, 4370, 5244, 5415, 6498, 6555, 6840, 7220, 7866, 8280, 8303, 8664, 8740, 10488, 10830, 12996, 13110, 14440, 15732, 16245, 16606, 17480, 19665, 21660, 24909, 25992, 26220, 31464, 32490, 33212, 39330, 41515, 43320, 49818, 52440, 64980, 66424, 74727, 78660, 83030, 99636, 124545, 129960, 149454, 157320, 166060, 199272, 249090, 298908, 332120, 373635, 498180, 597816, 747270, 996360, 1494540, 2989080]

約数ペア:

[(1, 2989080), (2, 1494540), (3, 996360), (4, 747270), (5, 597816), (6, 498180), (8, 373635), (9, 332120), (10, 298908), (12, 249090), (15, 199272), (18, 166060), (19, 157320), (20, 149454), (23, 129960), (24, 124545), (30, 99636), (36, 83030), (38, 78660), (40, 74727), (45, 66424), (46, 64980), (57, 52440), (60, 49818), (69, 43320), (72, 41515), (76, 39330), (90, 33212), (92, 32490), (95, 31464), (114, 26220), (115, 25992), (120, 24909), (138, 21660), (152, 19665), (171, 17480), (180, 16606), (184, 16245), (190, 15732), (207, 14440), (228, 13110), (230, 12996), (276, 10830), (285, 10488), (342, 8740), (345, 8664), (360, 8303), (361, 8280), (380, 7866), (414, 7220), (437, 6840), (456, 6555), (460, 6498), (552, 5415), (570, 5244), (684, 4370), (690, 4332), (722, 4140), (760, 3933), (828, 3610), (855, 3496), (874, 3420), (920, 3249), (1035, 2888), (1083, 2760), (1140, 2622), (1311, 2280), (1368, 2185), (1380, 2166), (1444, 2070), (1656, 1805), (1710, 1748)]