31091040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{2399}}^1$

素因数の和:2426

約数の個数: 120

約数和(自身を含む): 109771200

約数和(自身を除く): 78680160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2399, 2592, 3240, 4320, 4798, 6480, 7197, 9596, 11995, 12960, 14394, 19192, 21591, 23990, 28788, 35985, 38384, 43182, 47980, 57576, 64773, 71970, 76768, 86364, 95960, 107955, 115152, 129546, 143940, 172728, 191920, 194319, 215910, 230304, 259092, 287880, 323865, 345456, 383840, 388638, 431820, 518184, 575760, 647730, 690912, 777276, 863640, 971595, 1036368, 1151520, 1295460, 1554552, 1727280, 1943190, 2072736, 2590920, 3109104, 3454560, 3886380, 5181840, 6218208, 7772760, 10363680, 15545520, 31091040]

約数ペア:

[(1, 31091040), (2, 15545520), (3, 10363680), (4, 7772760), (5, 6218208), (6, 5181840), (8, 3886380), (9, 3454560), (10, 3109104), (12, 2590920), (15, 2072736), (16, 1943190), (18, 1727280), (20, 1554552), (24, 1295460), (27, 1151520), (30, 1036368), (32, 971595), (36, 863640), (40, 777276), (45, 690912), (48, 647730), (54, 575760), (60, 518184), (72, 431820), (80, 388638), (81, 383840), (90, 345456), (96, 323865), (108, 287880), (120, 259092), (135, 230304), (144, 215910), (160, 194319), (162, 191920), (180, 172728), (216, 143940), (240, 129546), (270, 115152), (288, 107955), (324, 95960), (360, 86364), (405, 76768), (432, 71970), (480, 64773), (540, 57576), (648, 47980), (720, 43182), (810, 38384), (864, 35985), (1080, 28788), (1296, 23990), (1440, 21591), (1620, 19192), (2160, 14394), (2399, 12960), (2592, 11995), (3240, 9596), (4320, 7197), (4798, 6480)]