205030280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 256

約数和(自身を含む): 619315200

約数和(自身を除く): 414284920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 31, 35, 40, 46, 52, 56, 62, 65, 70, 79, 91, 92, 104, 115, 124, 130, 140, 155, 158, 161, 182, 184, 217, 230, 248, 260, 280, 299, 310, 316, 322, 364, 395, 403, 434, 455, 460, 520, 553, 598, 620, 632, 644, 713, 728, 790, 805, 806, 868, 910, 920, 1027, 1085, 1106, 1196, 1240, 1288, 1426, 1495, 1580, 1610, 1612, 1736, 1817, 1820, 2015, 2054, 2093, 2170, 2212, 2392, 2449, 2765, 2821, 2852, 2990, 3160, 3220, 3224, 3565, 3634, 3640, 4030, 4108, 4186, 4340, 4424, 4898, 4991, 5135, 5530, 5642, 5704, 5980, 6440, 7130, 7189, 7268, 8060, 8216, 8372, 8680, 9085, 9269, 9796, 9982, 10270, 10465, 11060, 11284, 11960, 12245, 12719, 14105, 14260, 14378, 14536, 16120, 16744, 17143, 18170, 18538, 19592, 19964, 20540, 20930, 22120, 22568, 23621, 24490, 24955, 25438, 28210, 28520, 28756, 31837, 34286, 35945, 36340, 37076, 39928, 41080, 41860, 46345, 47242, 48980, 49910, 50876, 56327, 56420, 57512, 63595, 63674, 64883, 68572, 71890, 72680, 74152, 83720, 85715, 92690, 94484, 97960, 99820, 101752, 112654, 112840, 118105, 127190, 127348, 129766, 137144, 143780, 159185, 165347, 171430, 185380, 188968, 199640, 222859, 225308, 236210, 254380, 254696, 259532, 281635, 287560, 318370, 324415, 330694, 342860, 370760, 394289, 445718, 450616, 472420, 508760, 519064, 563270, 636740, 648830, 661388, 685720, 732251, 788578, 826735, 891436, 944840, 1114295, 1126540, 1273480, 1297660, 1322776, 1464502, 1577156, 1653470, 1782872, 1971445, 2228590, 2253080, 2595320, 2929004, 3154312, 3306940, 3661255, 3942890, 4457180, 5125757, 5858008, 6613880, 7322510, 7885780, 8914360, 10251514, 14645020, 15771560, 20503028, 25628785, 29290040, 41006056, 51257570, 102515140, 205030280]

約数ペア:

[(1, 205030280), (2, 102515140), (4, 51257570), (5, 41006056), (7, 29290040), (8, 25628785), (10, 20503028), (13, 15771560), (14, 14645020), (20, 10251514), (23, 8914360), (26, 7885780), (28, 7322510), (31, 6613880), (35, 5858008), (40, 5125757), (46, 4457180), (52, 3942890), (56, 3661255), (62, 3306940), (65, 3154312), (70, 2929004), (79, 2595320), (91, 2253080), (92, 2228590), (104, 1971445), (115, 1782872), (124, 1653470), (130, 1577156), (140, 1464502), (155, 1322776), (158, 1297660), (161, 1273480), (182, 1126540), (184, 1114295), (217, 944840), (230, 891436), (248, 826735), (260, 788578), (280, 732251), (299, 685720), (310, 661388), (316, 648830), (322, 636740), (364, 563270), (395, 519064), (403, 508760), (434, 472420), (455, 450616), (460, 445718), (520, 394289), (553, 370760), (598, 342860), (620, 330694), (632, 324415), (644, 318370), (713, 287560), (728, 281635), (790, 259532), (805, 254696), (806, 254380), (868, 236210), (910, 225308), (920, 222859), (1027, 199640), (1085, 188968), (1106, 185380), (1196, 171430), (1240, 165347), (1288, 159185), (1426, 143780), (1495, 137144), (1580, 129766), (1610, 127348), (1612, 127190), (1736, 118105), (1817, 112840), (1820, 112654), (2015, 101752), (2054, 99820), (2093, 97960), (2170, 94484), (2212, 92690), (2392, 85715), (2449, 83720), (2765, 74152), (2821, 72680), (2852, 71890), (2990, 68572), (3160, 64883), (3220, 63674), (3224, 63595), (3565, 57512), (3634, 56420), (3640, 56327), (4030, 50876), (4108, 49910), (4186, 48980), (4340, 47242), (4424, 46345), (4898, 41860), (4991, 41080), (5135, 39928), (5530, 37076), (5642, 36340), (5704, 35945), (5980, 34286), (6440, 31837), (7130, 28756), (7189, 28520), (7268, 28210), (8060, 25438), (8216, 24955), (8372, 24490), (8680, 23621), (9085, 22568), (9269, 22120), (9796, 20930), (9982, 20540), (10270, 19964), (10465, 19592), (11060, 18538), (11284, 18170), (11960, 17143), (12245, 16744), (12719, 16120), (14105, 14536), (14260, 14378)]