31279440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{59}}^1$

素因数の和:169

約数の個数: 120

約数和(自身を含む): 100752480

約数和(自身を除く): 69473040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 59, 60, 80, 94, 118, 120, 141, 177, 188, 235, 236, 240, 282, 295, 354, 376, 470, 472, 564, 590, 705, 708, 752, 885, 940, 944, 1128, 1180, 1410, 1416, 1770, 1880, 2209, 2256, 2360, 2773, 2820, 2832, 3540, 3760, 4418, 4720, 5546, 5640, 6627, 7080, 8319, 8836, 11045, 11092, 11280, 13254, 13865, 14160, 16638, 17672, 22090, 22184, 26508, 27730, 33135, 33276, 35344, 41595, 44180, 44368, 53016, 55460, 66270, 66552, 83190, 88360, 106032, 110920, 130331, 132540, 133104, 166380, 176720, 221840, 260662, 265080, 332760, 390993, 521324, 530160, 651655, 665520, 781986, 1042648, 1303310, 1563972, 1954965, 2085296, 2606620, 3127944, 3909930, 5213240, 6255888, 7819860, 10426480, 15639720, 31279440]

約数ペア:

[(1, 31279440), (2, 15639720), (3, 10426480), (4, 7819860), (5, 6255888), (6, 5213240), (8, 3909930), (10, 3127944), (12, 2606620), (15, 2085296), (16, 1954965), (20, 1563972), (24, 1303310), (30, 1042648), (40, 781986), (47, 665520), (48, 651655), (59, 530160), (60, 521324), (80, 390993), (94, 332760), (118, 265080), (120, 260662), (141, 221840), (177, 176720), (188, 166380), (235, 133104), (236, 132540), (240, 130331), (282, 110920), (295, 106032), (354, 88360), (376, 83190), (470, 66552), (472, 66270), (564, 55460), (590, 53016), (705, 44368), (708, 44180), (752, 41595), (885, 35344), (940, 33276), (944, 33135), (1128, 27730), (1180, 26508), (1410, 22184), (1416, 22090), (1770, 17672), (1880, 16638), (2209, 14160), (2256, 13865), (2360, 13254), (2773, 11280), (2820, 11092), (2832, 11045), (3540, 8836), (3760, 8319), (4418, 7080), (4720, 6627), (5546, 5640)]