213505320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 256

約数和(自身を含む): 784650240

約数和(自身を除く): 571144920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 43, 46, 56, 60, 69, 70, 84, 86, 92, 105, 115, 120, 129, 138, 140, 161, 168, 172, 184, 210, 215, 230, 257, 258, 276, 280, 301, 322, 344, 345, 420, 430, 460, 483, 514, 516, 552, 602, 644, 645, 690, 771, 805, 840, 860, 903, 920, 966, 989, 1028, 1032, 1204, 1285, 1288, 1290, 1380, 1505, 1542, 1610, 1720, 1799, 1806, 1932, 1978, 2056, 2408, 2415, 2570, 2580, 2760, 2967, 3010, 3084, 3220, 3598, 3612, 3855, 3864, 3956, 4515, 4830, 4945, 5140, 5160, 5397, 5911, 5934, 6020, 6168, 6440, 6923, 7196, 7224, 7710, 7912, 8995, 9030, 9660, 9890, 10280, 10794, 11051, 11822, 11868, 12040, 13846, 14392, 14835, 15420, 17733, 17990, 18060, 19320, 19780, 20769, 21588, 22102, 23644, 23736, 26985, 27692, 29555, 29670, 30840, 33153, 34615, 35466, 35980, 36120, 39560, 41377, 41538, 43176, 44204, 47288, 53970, 55255, 55384, 59110, 59340, 66306, 69230, 70932, 71960, 77357, 82754, 83076, 88408, 88665, 103845, 107940, 110510, 118220, 118680, 124131, 132612, 138460, 141864, 154714, 165508, 165765, 166152, 177330, 206885, 207690, 215880, 221020, 232071, 236440, 248262, 254173, 265224, 276920, 309428, 331016, 331530, 354660, 386785, 413770, 415380, 442040, 464142, 496524, 508346, 618856, 620655, 663060, 709320, 762519, 773570, 827540, 830760, 928284, 993048, 1016692, 1160355, 1241310, 1270865, 1326120, 1525038, 1547140, 1655080, 1779211, 1856568, 2033384, 2320710, 2482620, 2541730, 3050076, 3094280, 3558422, 3812595, 4641420, 4965240, 5083460, 5337633, 6100152, 7116844, 7625190, 8896055, 9282840, 10166920, 10675266, 14233688, 15250380, 17792110, 21350532, 26688165, 30500760, 35584220, 42701064, 53376330, 71168440, 106752660, 213505320]

約数ペア:

[(1, 213505320), (2, 106752660), (3, 71168440), (4, 53376330), (5, 42701064), (6, 35584220), (7, 30500760), (8, 26688165), (10, 21350532), (12, 17792110), (14, 15250380), (15, 14233688), (20, 10675266), (21, 10166920), (23, 9282840), (24, 8896055), (28, 7625190), (30, 7116844), (35, 6100152), (40, 5337633), (42, 5083460), (43, 4965240), (46, 4641420), (56, 3812595), (60, 3558422), (69, 3094280), (70, 3050076), (84, 2541730), (86, 2482620), (92, 2320710), (105, 2033384), (115, 1856568), (120, 1779211), (129, 1655080), (138, 1547140), (140, 1525038), (161, 1326120), (168, 1270865), (172, 1241310), (184, 1160355), (210, 1016692), (215, 993048), (230, 928284), (257, 830760), (258, 827540), (276, 773570), (280, 762519), (301, 709320), (322, 663060), (344, 620655), (345, 618856), (420, 508346), (430, 496524), (460, 464142), (483, 442040), (514, 415380), (516, 413770), (552, 386785), (602, 354660), (644, 331530), (645, 331016), (690, 309428), (771, 276920), (805, 265224), (840, 254173), (860, 248262), (903, 236440), (920, 232071), (966, 221020), (989, 215880), (1028, 207690), (1032, 206885), (1204, 177330), (1285, 166152), (1288, 165765), (1290, 165508), (1380, 154714), (1505, 141864), (1542, 138460), (1610, 132612), (1720, 124131), (1799, 118680), (1806, 118220), (1932, 110510), (1978, 107940), (2056, 103845), (2408, 88665), (2415, 88408), (2570, 83076), (2580, 82754), (2760, 77357), (2967, 71960), (3010, 70932), (3084, 69230), (3220, 66306), (3598, 59340), (3612, 59110), (3855, 55384), (3864, 55255), (3956, 53970), (4515, 47288), (4830, 44204), (4945, 43176), (5140, 41538), (5160, 41377), (5397, 39560), (5911, 36120), (5934, 35980), (6020, 35466), (6168, 34615), (6440, 33153), (6923, 30840), (7196, 29670), (7224, 29555), (7710, 27692), (7912, 26985), (8995, 23736), (9030, 23644), (9660, 22102), (9890, 21588), (10280, 20769), (10794, 19780), (11051, 19320), (11822, 18060), (11868, 17990), (12040, 17733), (13846, 15420), (14392, 14835)]