1491090000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2215

約数の個数: 200

約数和(自身を含む): 5025041472

約数和(自身を除く): 3533951472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 40, 46, 48, 50, 60, 69, 75, 80, 92, 100, 115, 120, 125, 138, 150, 184, 200, 230, 240, 250, 276, 300, 345, 368, 375, 400, 460, 500, 552, 575, 600, 625, 690, 750, 920, 1000, 1104, 1150, 1200, 1250, 1380, 1500, 1725, 1840, 1875, 2000, 2161, 2300, 2500, 2760, 2875, 3000, 3450, 3750, 4322, 4600, 5000, 5520, 5750, 6000, 6483, 6900, 7500, 8625, 8644, 9200, 10000, 10805, 11500, 12966, 13800, 14375, 15000, 17250, 17288, 21610, 23000, 25932, 27600, 28750, 30000, 32415, 34500, 34576, 43125, 43220, 46000, 49703, 51864, 54025, 57500, 64830, 69000, 86250, 86440, 99406, 103728, 108050, 115000, 129660, 138000, 149109, 162075, 172500, 172880, 198812, 216100, 230000, 248515, 259320, 270125, 298218, 324150, 345000, 397624, 432200, 497030, 518640, 540250, 596436, 648300, 690000, 745545, 795248, 810375, 864400, 994060, 1080500, 1192872, 1242575, 1296600, 1350625, 1491090, 1620750, 1988120, 2161000, 2385744, 2485150, 2593200, 2701250, 2982180, 3241500, 3727725, 3976240, 4051875, 4322000, 4970300, 5402500, 5964360, 6212875, 6483000, 7455450, 8103750, 9940600, 10805000, 11928720, 12425750, 12966000, 14910900, 16207500, 18638625, 19881200, 21610000, 24851500, 29821800, 31064375, 32415000, 37277250, 49703000, 59643600, 62128750, 64830000, 74554500, 93193125, 99406000, 124257500, 149109000, 186386250, 248515000, 298218000, 372772500, 497030000, 745545000, 1491090000]

約数ペア:

[(1, 1491090000), (2, 745545000), (3, 497030000), (4, 372772500), (5, 298218000), (6, 248515000), (8, 186386250), (10, 149109000), (12, 124257500), (15, 99406000), (16, 93193125), (20, 74554500), (23, 64830000), (24, 62128750), (25, 59643600), (30, 49703000), (40, 37277250), (46, 32415000), (48, 31064375), (50, 29821800), (60, 24851500), (69, 21610000), (75, 19881200), (80, 18638625), (92, 16207500), (100, 14910900), (115, 12966000), (120, 12425750), (125, 11928720), (138, 10805000), (150, 9940600), (184, 8103750), (200, 7455450), (230, 6483000), (240, 6212875), (250, 5964360), (276, 5402500), (300, 4970300), (345, 4322000), (368, 4051875), (375, 3976240), (400, 3727725), (460, 3241500), (500, 2982180), (552, 2701250), (575, 2593200), (600, 2485150), (625, 2385744), (690, 2161000), (750, 1988120), (920, 1620750), (1000, 1491090), (1104, 1350625), (1150, 1296600), (1200, 1242575), (1250, 1192872), (1380, 1080500), (1500, 994060), (1725, 864400), (1840, 810375), (1875, 795248), (2000, 745545), (2161, 690000), (2300, 648300), (2500, 596436), (2760, 540250), (2875, 518640), (3000, 497030), (3450, 432200), (3750, 397624), (4322, 345000), (4600, 324150), (5000, 298218), (5520, 270125), (5750, 259320), (6000, 248515), (6483, 230000), (6900, 216100), (7500, 198812), (8625, 172880), (8644, 172500), (9200, 162075), (10000, 149109), (10805, 138000), (11500, 129660), (12966, 115000), (13800, 108050), (14375, 103728), (15000, 99406), (17250, 86440), (17288, 86250), (21610, 69000), (23000, 64830), (25932, 57500), (27600, 54025), (28750, 51864), (30000, 49703), (32415, 46000), (34500, 43220), (34576, 43125)]