990451800

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4703}}^1$

素因数の和:4744

約数の個数: 240

約数和(自身を含む): 3705387840

約数和(自身を除く): 2714936040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 50, 52, 54, 60, 65, 72, 75, 78, 81, 90, 100, 104, 108, 117, 120, 130, 135, 150, 156, 162, 180, 195, 200, 216, 225, 234, 260, 270, 300, 312, 324, 325, 351, 360, 390, 405, 450, 468, 520, 540, 585, 600, 648, 650, 675, 702, 780, 810, 900, 936, 975, 1053, 1080, 1170, 1300, 1350, 1404, 1560, 1620, 1755, 1800, 1950, 2025, 2106, 2340, 2600, 2700, 2808, 2925, 3240, 3510, 3900, 4050, 4212, 4680, 4703, 5265, 5400, 5850, 7020, 7800, 8100, 8424, 8775, 9406, 10530, 11700, 14040, 14109, 16200, 17550, 18812, 21060, 23400, 23515, 26325, 28218, 35100, 37624, 42120, 42327, 47030, 52650, 56436, 61139, 70200, 70545, 84654, 94060, 105300, 112872, 117575, 122278, 126981, 141090, 169308, 183417, 188120, 210600, 211635, 235150, 244556, 253962, 282180, 305695, 338616, 352725, 366834, 380943, 423270, 470300, 489112, 507924, 550251, 564360, 611390, 634905, 705450, 733668, 761886, 846540, 917085, 940600, 1015848, 1058175, 1100502, 1222780, 1269810, 1410900, 1467336, 1523772, 1528475, 1650753, 1693080, 1834170, 1904715, 2116350, 2201004, 2445560, 2539620, 2751255, 2821800, 3047544, 3056950, 3174525, 3301506, 3668340, 3809430, 4232700, 4402008, 4585425, 4952259, 5079240, 5502510, 6113900, 6349050, 6603012, 7336680, 7618860, 8253765, 8465400, 9170850, 9523575, 9904518, 11005020, 12227800, 12698100, 13206024, 13756275, 15237720, 16507530, 18341700, 19047150, 19809036, 22010040, 24761295, 25396200, 27512550, 33015060, 36683400, 38094300, 39618072, 41268825, 49522590, 55025100, 66030120, 76188600, 82537650, 99045180, 110050200, 123806475, 165075300, 198090360, 247612950, 330150600, 495225900, 990451800]

約数ペア:

[(1, 990451800), (2, 495225900), (3, 330150600), (4, 247612950), (5, 198090360), (6, 165075300), (8, 123806475), (9, 110050200), (10, 99045180), (12, 82537650), (13, 76188600), (15, 66030120), (18, 55025100), (20, 49522590), (24, 41268825), (25, 39618072), (26, 38094300), (27, 36683400), (30, 33015060), (36, 27512550), (39, 25396200), (40, 24761295), (45, 22010040), (50, 19809036), (52, 19047150), (54, 18341700), (60, 16507530), (65, 15237720), (72, 13756275), (75, 13206024), (78, 12698100), (81, 12227800), (90, 11005020), (100, 9904518), (104, 9523575), (108, 9170850), (117, 8465400), (120, 8253765), (130, 7618860), (135, 7336680), (150, 6603012), (156, 6349050), (162, 6113900), (180, 5502510), (195, 5079240), (200, 4952259), (216, 4585425), (225, 4402008), (234, 4232700), (260, 3809430), (270, 3668340), (300, 3301506), (312, 3174525), (324, 3056950), (325, 3047544), (351, 2821800), (360, 2751255), (390, 2539620), (405, 2445560), (450, 2201004), (468, 2116350), (520, 1904715), (540, 1834170), (585, 1693080), (600, 1650753), (648, 1528475), (650, 1523772), (675, 1467336), (702, 1410900), (780, 1269810), (810, 1222780), (900, 1100502), (936, 1058175), (975, 1015848), (1053, 940600), (1080, 917085), (1170, 846540), (1300, 761886), (1350, 733668), (1404, 705450), (1560, 634905), (1620, 611390), (1755, 564360), (1800, 550251), (1950, 507924), (2025, 489112), (2106, 470300), (2340, 423270), (2600, 380943), (2700, 366834), (2808, 352725), (2925, 338616), (3240, 305695), (3510, 282180), (3900, 253962), (4050, 244556), (4212, 235150), (4680, 211635), (4703, 210600), (5265, 188120), (5400, 183417), (5850, 169308), (7020, 141090), (7800, 126981), (8100, 122278), (8424, 117575), (8775, 112872), (9406, 105300), (10530, 94060), (11700, 84654), (14040, 70545), (14109, 70200), (16200, 61139), (17550, 56436), (18812, 52650), (21060, 47030), (23400, 42327), (23515, 42120), (26325, 37624), (28218, 35100)]