81291000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^3\times {\mathrm{79}}^1$

素因数の和:124

約数の個数: 256

約数和(自身を含む): 299520000

約数和(自身を除く): 218229000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 79, 84, 98, 100, 105, 120, 125, 140, 147, 150, 158, 168, 175, 196, 200, 210, 237, 245, 250, 280, 294, 300, 316, 343, 350, 375, 392, 395, 420, 474, 490, 500, 525, 553, 588, 600, 632, 686, 700, 735, 750, 790, 840, 875, 948, 980, 1000, 1029, 1050, 1106, 1176, 1185, 1225, 1372, 1400, 1470, 1500, 1580, 1659, 1715, 1750, 1896, 1960, 1975, 2058, 2100, 2212, 2370, 2450, 2625, 2744, 2765, 2940, 3000, 3160, 3318, 3430, 3500, 3675, 3871, 3950, 4116, 4200, 4424, 4740, 4900, 5145, 5250, 5530, 5880, 5925, 6125, 6636, 6860, 7000, 7350, 7742, 7900, 8232, 8295, 8575, 9480, 9800, 9875, 10290, 10500, 11060, 11613, 11850, 12250, 13272, 13720, 13825, 14700, 15484, 15800, 16590, 17150, 18375, 19355, 19750, 20580, 21000, 22120, 23226, 23700, 24500, 25725, 27097, 27650, 29400, 29625, 30968, 33180, 34300, 36750, 38710, 39500, 41160, 41475, 42875, 46452, 47400, 49000, 51450, 54194, 55300, 58065, 59250, 66360, 68600, 69125, 73500, 77420, 79000, 81291, 82950, 85750, 92904, 96775, 102900, 108388, 110600, 116130, 118500, 128625, 135485, 138250, 147000, 154840, 162582, 165900, 171500, 193550, 205800, 207375, 216776, 232260, 237000, 257250, 270970, 276500, 290325, 325164, 331800, 343000, 387100, 406455, 414750, 464520, 483875, 514500, 541940, 553000, 580650, 650328, 677425, 774200, 812910, 829500, 967750, 1029000, 1083880, 1161300, 1354850, 1451625, 1625820, 1659000, 1935500, 2032275, 2322600, 2709700, 2903250, 3251640, 3387125, 3871000, 4064550, 5419400, 5806500, 6774250, 8129100, 10161375, 11613000, 13548500, 16258200, 20322750, 27097000, 40645500, 81291000]

約数ペア:

[(1, 81291000), (2, 40645500), (3, 27097000), (4, 20322750), (5, 16258200), (6, 13548500), (7, 11613000), (8, 10161375), (10, 8129100), (12, 6774250), (14, 5806500), (15, 5419400), (20, 4064550), (21, 3871000), (24, 3387125), (25, 3251640), (28, 2903250), (30, 2709700), (35, 2322600), (40, 2032275), (42, 1935500), (49, 1659000), (50, 1625820), (56, 1451625), (60, 1354850), (70, 1161300), (75, 1083880), (79, 1029000), (84, 967750), (98, 829500), (100, 812910), (105, 774200), (120, 677425), (125, 650328), (140, 580650), (147, 553000), (150, 541940), (158, 514500), (168, 483875), (175, 464520), (196, 414750), (200, 406455), (210, 387100), (237, 343000), (245, 331800), (250, 325164), (280, 290325), (294, 276500), (300, 270970), (316, 257250), (343, 237000), (350, 232260), (375, 216776), (392, 207375), (395, 205800), (420, 193550), (474, 171500), (490, 165900), (500, 162582), (525, 154840), (553, 147000), (588, 138250), (600, 135485), (632, 128625), (686, 118500), (700, 116130), (735, 110600), (750, 108388), (790, 102900), (840, 96775), (875, 92904), (948, 85750), (980, 82950), (1000, 81291), (1029, 79000), (1050, 77420), (1106, 73500), (1176, 69125), (1185, 68600), (1225, 66360), (1372, 59250), (1400, 58065), (1470, 55300), (1500, 54194), (1580, 51450), (1659, 49000), (1715, 47400), (1750, 46452), (1896, 42875), (1960, 41475), (1975, 41160), (2058, 39500), (2100, 38710), (2212, 36750), (2370, 34300), (2450, 33180), (2625, 30968), (2744, 29625), (2765, 29400), (2940, 27650), (3000, 27097), (3160, 25725), (3318, 24500), (3430, 23700), (3500, 23226), (3675, 22120), (3871, 21000), (3950, 20580), (4116, 19750), (4200, 19355), (4424, 18375), (4740, 17150), (4900, 16590), (5145, 15800), (5250, 15484), (5530, 14700), (5880, 13825), (5925, 13720), (6125, 13272), (6636, 12250), (6860, 11850), (7000, 11613), (7350, 11060), (7742, 10500), (7900, 10290), (8232, 9875), (8295, 9800), (8575, 9480)]