205247280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:624

約数の個数: 240

約数和(自身を含む): 765379584

約数和(自身を除く): 560132304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 420, 434, 465, 490, 496, 560, 563, 588, 620, 651, 735, 744, 784, 840, 868, 930, 980, 1085, 1126, 1176, 1240, 1302, 1470, 1488, 1519, 1680, 1689, 1736, 1860, 1960, 2170, 2252, 2352, 2480, 2604, 2815, 2940, 3038, 3255, 3378, 3472, 3720, 3920, 3941, 4340, 4504, 4557, 5208, 5630, 5880, 6076, 6510, 6756, 7440, 7595, 7882, 8445, 8680, 9008, 9114, 10416, 11260, 11760, 11823, 12152, 13020, 13512, 15190, 15764, 16890, 17360, 17453, 18228, 19705, 22520, 22785, 23646, 24304, 26040, 27024, 27587, 30380, 31528, 33780, 34906, 36456, 39410, 45040, 45570, 47292, 52080, 52359, 55174, 59115, 60760, 63056, 67560, 69812, 72912, 78820, 82761, 87265, 91140, 94584, 104718, 110348, 118230, 121520, 122171, 135120, 137935, 139624, 157640, 165522, 174530, 182280, 189168, 209436, 220696, 236460, 244342, 261795, 275870, 279248, 315280, 331044, 349060, 364560, 366513, 413805, 418872, 441392, 472920, 488684, 523590, 551740, 610855, 662088, 698120, 733026, 827610, 837744, 855197, 945840, 977368, 1047180, 1103480, 1221710, 1324176, 1396240, 1466052, 1655220, 1710394, 1832565, 1954736, 2094360, 2206960, 2443420, 2565591, 2932104, 3310440, 3420788, 3665130, 4188720, 4275985, 4886840, 5131182, 5864208, 6620880, 6841576, 7330260, 8551970, 9773680, 10262364, 12827955, 13683152, 14660520, 17103940, 20524728, 25655910, 29321040, 34207880, 41049456, 51311820, 68415760, 102623640, 205247280]

約数ペア:

[(1, 205247280), (2, 102623640), (3, 68415760), (4, 51311820), (5, 41049456), (6, 34207880), (7, 29321040), (8, 25655910), (10, 20524728), (12, 17103940), (14, 14660520), (15, 13683152), (16, 12827955), (20, 10262364), (21, 9773680), (24, 8551970), (28, 7330260), (30, 6841576), (31, 6620880), (35, 5864208), (40, 5131182), (42, 4886840), (48, 4275985), (49, 4188720), (56, 3665130), (60, 3420788), (62, 3310440), (70, 2932104), (80, 2565591), (84, 2443420), (93, 2206960), (98, 2094360), (105, 1954736), (112, 1832565), (120, 1710394), (124, 1655220), (140, 1466052), (147, 1396240), (155, 1324176), (168, 1221710), (186, 1103480), (196, 1047180), (210, 977368), (217, 945840), (240, 855197), (245, 837744), (248, 827610), (280, 733026), (294, 698120), (310, 662088), (336, 610855), (372, 551740), (392, 523590), (420, 488684), (434, 472920), (465, 441392), (490, 418872), (496, 413805), (560, 366513), (563, 364560), (588, 349060), (620, 331044), (651, 315280), (735, 279248), (744, 275870), (784, 261795), (840, 244342), (868, 236460), (930, 220696), (980, 209436), (1085, 189168), (1126, 182280), (1176, 174530), (1240, 165522), (1302, 157640), (1470, 139624), (1488, 137935), (1519, 135120), (1680, 122171), (1689, 121520), (1736, 118230), (1860, 110348), (1960, 104718), (2170, 94584), (2252, 91140), (2352, 87265), (2480, 82761), (2604, 78820), (2815, 72912), (2940, 69812), (3038, 67560), (3255, 63056), (3378, 60760), (3472, 59115), (3720, 55174), (3920, 52359), (3941, 52080), (4340, 47292), (4504, 45570), (4557, 45040), (5208, 39410), (5630, 36456), (5880, 34906), (6076, 33780), (6510, 31528), (6756, 30380), (7440, 27587), (7595, 27024), (7882, 26040), (8445, 24304), (8680, 23646), (9008, 22785), (9114, 22520), (10416, 19705), (11260, 18228), (11760, 17453), (11823, 17360), (12152, 16890), (13020, 15764), (13512, 15190)]