131257320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2503}}^1$

素因数の和:2559

約数の個数: 128

約数和(自身を含む): 432691200

約数和(自身を除く): 301433880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2503, 2622, 2760, 3496, 4370, 5006, 5244, 6555, 7509, 8740, 10012, 10488, 12515, 13110, 15018, 17480, 20024, 25030, 26220, 30036, 37545, 47557, 50060, 52440, 57569, 60072, 75090, 95114, 100120, 115138, 142671, 150180, 172707, 190228, 230276, 237785, 285342, 287845, 300360, 345414, 380456, 460552, 475570, 570684, 575690, 690828, 713355, 863535, 951140, 1093811, 1141368, 1151380, 1381656, 1426710, 1727070, 1902280, 2187622, 2302760, 2853420, 3281433, 3454140, 4375244, 5469055, 5706840, 6562866, 6908280, 8750488, 10938110, 13125732, 16407165, 21876220, 26251464, 32814330, 43752440, 65628660, 131257320]

約数ペア:

[(1, 131257320), (2, 65628660), (3, 43752440), (4, 32814330), (5, 26251464), (6, 21876220), (8, 16407165), (10, 13125732), (12, 10938110), (15, 8750488), (19, 6908280), (20, 6562866), (23, 5706840), (24, 5469055), (30, 4375244), (38, 3454140), (40, 3281433), (46, 2853420), (57, 2302760), (60, 2187622), (69, 1902280), (76, 1727070), (92, 1426710), (95, 1381656), (114, 1151380), (115, 1141368), (120, 1093811), (138, 951140), (152, 863535), (184, 713355), (190, 690828), (228, 575690), (230, 570684), (276, 475570), (285, 460552), (345, 380456), (380, 345414), (437, 300360), (456, 287845), (460, 285342), (552, 237785), (570, 230276), (690, 190228), (760, 172707), (874, 150180), (920, 142671), (1140, 115138), (1311, 100120), (1380, 95114), (1748, 75090), (2185, 60072), (2280, 57569), (2503, 52440), (2622, 50060), (2760, 47557), (3496, 37545), (4370, 30036), (5006, 26220), (5244, 25030), (6555, 20024), (7509, 17480), (8740, 15018), (10012, 13110), (10488, 12515)]