287307720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4957}}^1$

素因数の和:5004

約数の個数: 192

約数和(自身を含む): 1113765120

約数和(自身を除く): 826457400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 115, 120, 126, 138, 140, 161, 168, 180, 184, 207, 210, 230, 252, 276, 280, 315, 322, 345, 360, 414, 420, 460, 483, 504, 552, 630, 644, 690, 805, 828, 840, 920, 966, 1035, 1260, 1288, 1380, 1449, 1610, 1656, 1932, 2070, 2415, 2520, 2760, 2898, 3220, 3864, 4140, 4830, 4957, 5796, 6440, 7245, 8280, 9660, 9914, 11592, 14490, 14871, 19320, 19828, 24785, 28980, 29742, 34699, 39656, 44613, 49570, 57960, 59484, 69398, 74355, 89226, 99140, 104097, 114011, 118968, 138796, 148710, 173495, 178452, 198280, 208194, 223065, 228022, 277592, 297420, 312291, 342033, 346990, 356904, 416388, 446130, 456044, 520485, 570055, 594840, 624582, 684066, 693980, 798077, 832776, 892260, 912088, 1026099, 1040970, 1140110, 1249164, 1368132, 1387960, 1561455, 1596154, 1710165, 1784520, 2052198, 2081940, 2280220, 2394231, 2498328, 2736264, 3122910, 3192308, 3420330, 3990385, 4104396, 4163880, 4560440, 4788462, 5130495, 6245820, 6384616, 6840660, 7182693, 7980770, 8208792, 9576924, 10260990, 11971155, 12491640, 13681320, 14365386, 15961540, 19153848, 20521980, 23942310, 28730772, 31923080, 35913465, 41043960, 47884620, 57461544, 71826930, 95769240, 143653860, 287307720]

約数ペア:

[(1, 287307720), (2, 143653860), (3, 95769240), (4, 71826930), (5, 57461544), (6, 47884620), (7, 41043960), (8, 35913465), (9, 31923080), (10, 28730772), (12, 23942310), (14, 20521980), (15, 19153848), (18, 15961540), (20, 14365386), (21, 13681320), (23, 12491640), (24, 11971155), (28, 10260990), (30, 9576924), (35, 8208792), (36, 7980770), (40, 7182693), (42, 6840660), (45, 6384616), (46, 6245820), (56, 5130495), (60, 4788462), (63, 4560440), (69, 4163880), (70, 4104396), (72, 3990385), (84, 3420330), (90, 3192308), (92, 3122910), (105, 2736264), (115, 2498328), (120, 2394231), (126, 2280220), (138, 2081940), (140, 2052198), (161, 1784520), (168, 1710165), (180, 1596154), (184, 1561455), (207, 1387960), (210, 1368132), (230, 1249164), (252, 1140110), (276, 1040970), (280, 1026099), (315, 912088), (322, 892260), (345, 832776), (360, 798077), (414, 693980), (420, 684066), (460, 624582), (483, 594840), (504, 570055), (552, 520485), (630, 456044), (644, 446130), (690, 416388), (805, 356904), (828, 346990), (840, 342033), (920, 312291), (966, 297420), (1035, 277592), (1260, 228022), (1288, 223065), (1380, 208194), (1449, 198280), (1610, 178452), (1656, 173495), (1932, 148710), (2070, 138796), (2415, 118968), (2520, 114011), (2760, 104097), (2898, 99140), (3220, 89226), (3864, 74355), (4140, 69398), (4830, 59484), (4957, 57960), (5796, 49570), (6440, 44613), (7245, 39656), (8280, 34699), (9660, 29742), (9914, 28980), (11592, 24785), (14490, 19828), (14871, 19320)]