204891960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:710

約数の個数: 256

約数和(自身を含む): 783820800

約数和(自身を除く): 578928840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 52, 56, 58, 60, 65, 70, 78, 84, 87, 91, 104, 105, 116, 120, 130, 140, 145, 156, 168, 174, 182, 195, 203, 210, 232, 260, 273, 280, 290, 312, 348, 364, 377, 390, 406, 420, 435, 455, 520, 546, 580, 609, 647, 696, 728, 754, 780, 812, 840, 870, 910, 1015, 1092, 1131, 1160, 1218, 1294, 1365, 1508, 1560, 1624, 1740, 1820, 1885, 1941, 2030, 2184, 2262, 2436, 2588, 2639, 2730, 3016, 3045, 3235, 3480, 3640, 3770, 3882, 4060, 4524, 4529, 4872, 5176, 5278, 5460, 5655, 6090, 6470, 7540, 7764, 7917, 8120, 8411, 9048, 9058, 9705, 10556, 10920, 11310, 12180, 12940, 13195, 13587, 15080, 15528, 15834, 16822, 18116, 18763, 19410, 21112, 22620, 22645, 24360, 25233, 25880, 26390, 27174, 31668, 33644, 36232, 37526, 38820, 39585, 42055, 45240, 45290, 50466, 52780, 54348, 56289, 58877, 63336, 67288, 67935, 75052, 77640, 79170, 84110, 90580, 93815, 100932, 105560, 108696, 112578, 117754, 126165, 131341, 135870, 150104, 158340, 168220, 176631, 181160, 187630, 201864, 225156, 235508, 243919, 252330, 262682, 271740, 281445, 294385, 316680, 336440, 353262, 375260, 394023, 450312, 471016, 487838, 504660, 525364, 543480, 562890, 588770, 656705, 706524, 731757, 750520, 788046, 883155, 975676, 1009320, 1050728, 1125780, 1177540, 1219595, 1313410, 1413048, 1463514, 1576092, 1707433, 1766310, 1951352, 1970115, 2251560, 2355080, 2439190, 2626820, 2927028, 3152184, 3414866, 3532620, 3658785, 3940230, 4878380, 5122299, 5253640, 5854056, 6829732, 7065240, 7317570, 7880460, 8537165, 9756760, 10244598, 13659464, 14635140, 15760920, 17074330, 20489196, 25611495, 29270280, 34148660, 40978392, 51222990, 68297320, 102445980, 204891960]

約数ペア:

[(1, 204891960), (2, 102445980), (3, 68297320), (4, 51222990), (5, 40978392), (6, 34148660), (7, 29270280), (8, 25611495), (10, 20489196), (12, 17074330), (13, 15760920), (14, 14635140), (15, 13659464), (20, 10244598), (21, 9756760), (24, 8537165), (26, 7880460), (28, 7317570), (29, 7065240), (30, 6829732), (35, 5854056), (39, 5253640), (40, 5122299), (42, 4878380), (52, 3940230), (56, 3658785), (58, 3532620), (60, 3414866), (65, 3152184), (70, 2927028), (78, 2626820), (84, 2439190), (87, 2355080), (91, 2251560), (104, 1970115), (105, 1951352), (116, 1766310), (120, 1707433), (130, 1576092), (140, 1463514), (145, 1413048), (156, 1313410), (168, 1219595), (174, 1177540), (182, 1125780), (195, 1050728), (203, 1009320), (210, 975676), (232, 883155), (260, 788046), (273, 750520), (280, 731757), (290, 706524), (312, 656705), (348, 588770), (364, 562890), (377, 543480), (390, 525364), (406, 504660), (420, 487838), (435, 471016), (455, 450312), (520, 394023), (546, 375260), (580, 353262), (609, 336440), (647, 316680), (696, 294385), (728, 281445), (754, 271740), (780, 262682), (812, 252330), (840, 243919), (870, 235508), (910, 225156), (1015, 201864), (1092, 187630), (1131, 181160), (1160, 176631), (1218, 168220), (1294, 158340), (1365, 150104), (1508, 135870), (1560, 131341), (1624, 126165), (1740, 117754), (1820, 112578), (1885, 108696), (1941, 105560), (2030, 100932), (2184, 93815), (2262, 90580), (2436, 84110), (2588, 79170), (2639, 77640), (2730, 75052), (3016, 67935), (3045, 67288), (3235, 63336), (3480, 58877), (3640, 56289), (3770, 54348), (3882, 52780), (4060, 50466), (4524, 45290), (4529, 45240), (4872, 42055), (5176, 39585), (5278, 38820), (5460, 37526), (5655, 36232), (6090, 33644), (6470, 31668), (7540, 27174), (7764, 26390), (7917, 25880), (8120, 25233), (8411, 24360), (9048, 22645), (9058, 22620), (9705, 21112), (10556, 19410), (10920, 18763), (11310, 18116), (12180, 16822), (12940, 15834), (13195, 15528), (13587, 15080)]