25481520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 160

約数和(自身を含む): 89994240

約数和(自身を除く): 64512720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 90, 94, 108, 120, 135, 141, 144, 180, 188, 216, 235, 240, 251, 270, 282, 360, 376, 423, 432, 470, 502, 540, 564, 705, 720, 752, 753, 846, 940, 1004, 1080, 1128, 1255, 1269, 1410, 1506, 1692, 1880, 2008, 2115, 2160, 2256, 2259, 2510, 2538, 2820, 3012, 3384, 3760, 3765, 4016, 4230, 4518, 5020, 5076, 5640, 6024, 6345, 6768, 6777, 7530, 8460, 9036, 10040, 10152, 11280, 11295, 11797, 12048, 12690, 13554, 15060, 16920, 18072, 20080, 20304, 22590, 23594, 25380, 27108, 30120, 33840, 33885, 35391, 36144, 45180, 47188, 50760, 54216, 58985, 60240, 67770, 70782, 90360, 94376, 101520, 106173, 108432, 117970, 135540, 141564, 176955, 180720, 188752, 212346, 235940, 271080, 283128, 318519, 353910, 424692, 471880, 530865, 542160, 566256, 637038, 707820, 849384, 943760, 1061730, 1274076, 1415640, 1592595, 1698768, 2123460, 2548152, 2831280, 3185190, 4246920, 5096304, 6370380, 8493840, 12740760, 25481520]

約数ペア:

[(1, 25481520), (2, 12740760), (3, 8493840), (4, 6370380), (5, 5096304), (6, 4246920), (8, 3185190), (9, 2831280), (10, 2548152), (12, 2123460), (15, 1698768), (16, 1592595), (18, 1415640), (20, 1274076), (24, 1061730), (27, 943760), (30, 849384), (36, 707820), (40, 637038), (45, 566256), (47, 542160), (48, 530865), (54, 471880), (60, 424692), (72, 353910), (80, 318519), (90, 283128), (94, 271080), (108, 235940), (120, 212346), (135, 188752), (141, 180720), (144, 176955), (180, 141564), (188, 135540), (216, 117970), (235, 108432), (240, 106173), (251, 101520), (270, 94376), (282, 90360), (360, 70782), (376, 67770), (423, 60240), (432, 58985), (470, 54216), (502, 50760), (540, 47188), (564, 45180), (705, 36144), (720, 35391), (752, 33885), (753, 33840), (846, 30120), (940, 27108), (1004, 25380), (1080, 23594), (1128, 22590), (1255, 20304), (1269, 20080), (1410, 18072), (1506, 16920), (1692, 15060), (1880, 13554), (2008, 12690), (2115, 12048), (2160, 11797), (2256, 11295), (2259, 11280), (2510, 10152), (2538, 10040), (2820, 9036), (3012, 8460), (3384, 7530), (3760, 6777), (3765, 6768), (4016, 6345), (4230, 6024), (4518, 5640), (5020, 5076)]