213879960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1535

約数の個数: 256

約数和(自身を含む): 858240000

約数和(自身を除く): 644360040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1489, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 2978, 3192, 3420, 3591, 3780, 3990, 4104, 4467, 4788, 5130, 5320, 5956, 5985, 6840, 7182, 7445, 7560, 7980, 8934, 9576, 10260, 10423, 11912, 11970, 13401, 14364, 14890, 15960, 17868, 17955, 20520, 20846, 22335, 23940, 26802, 28291, 28728, 29780, 31269, 35736, 35910, 40203, 41692, 44670, 47880, 52115, 53604, 56582, 59560, 62538, 67005, 71820, 80406, 83384, 84873, 89340, 93807, 104230, 107208, 113164, 125076, 134010, 141455, 143640, 156345, 160812, 169746, 178680, 187614, 198037, 201015, 208460, 226328, 250152, 254619, 268020, 281421, 282910, 312690, 321624, 339492, 375228, 396074, 402030, 416920, 424365, 469035, 509238, 536040, 562842, 565820, 594111, 625380, 678984, 750456, 763857, 792148, 804060, 848730, 938070, 990185, 1018476, 1125684, 1131640, 1188222, 1250760, 1273095, 1407105, 1527714, 1584296, 1608120, 1697460, 1782333, 1876140, 1980370, 2036952, 2251368, 2376444, 2546190, 2814210, 2970555, 3055428, 3394920, 3564666, 3752280, 3819285, 3960740, 4752888, 5092380, 5346999, 5628420, 5941110, 6110856, 7129332, 7638570, 7921480, 8911665, 10184760, 10693998, 11256840, 11882220, 14258664, 15277140, 17823330, 21387996, 23764440, 26734995, 30554280, 35646660, 42775992, 53469990, 71293320, 106939980, 213879960]

約数ペア:

[(1, 213879960), (2, 106939980), (3, 71293320), (4, 53469990), (5, 42775992), (6, 35646660), (7, 30554280), (8, 26734995), (9, 23764440), (10, 21387996), (12, 17823330), (14, 15277140), (15, 14258664), (18, 11882220), (19, 11256840), (20, 10693998), (21, 10184760), (24, 8911665), (27, 7921480), (28, 7638570), (30, 7129332), (35, 6110856), (36, 5941110), (38, 5628420), (40, 5346999), (42, 5092380), (45, 4752888), (54, 3960740), (56, 3819285), (57, 3752280), (60, 3564666), (63, 3394920), (70, 3055428), (72, 2970555), (76, 2814210), (84, 2546190), (90, 2376444), (95, 2251368), (105, 2036952), (108, 1980370), (114, 1876140), (120, 1782333), (126, 1697460), (133, 1608120), (135, 1584296), (140, 1527714), (152, 1407105), (168, 1273095), (171, 1250760), (180, 1188222), (189, 1131640), (190, 1125684), (210, 1018476), (216, 990185), (228, 938070), (252, 848730), (266, 804060), (270, 792148), (280, 763857), (285, 750456), (315, 678984), (342, 625380), (360, 594111), (378, 565820), (380, 562842), (399, 536040), (420, 509238), (456, 469035), (504, 424365), (513, 416920), (532, 402030), (540, 396074), (570, 375228), (630, 339492), (665, 321624), (684, 312690), (756, 282910), (760, 281421), (798, 268020), (840, 254619), (855, 250152), (945, 226328), (1026, 208460), (1064, 201015), (1080, 198037), (1140, 187614), (1197, 178680), (1260, 169746), (1330, 160812), (1368, 156345), (1489, 143640), (1512, 141455), (1596, 134010), (1710, 125076), (1890, 113164), (1995, 107208), (2052, 104230), (2280, 93807), (2394, 89340), (2520, 84873), (2565, 83384), (2660, 80406), (2978, 71820), (3192, 67005), (3420, 62538), (3591, 59560), (3780, 56582), (3990, 53604), (4104, 52115), (4467, 47880), (4788, 44670), (5130, 41692), (5320, 40203), (5956, 35910), (5985, 35736), (6840, 31269), (7182, 29780), (7445, 28728), (7560, 28291), (7980, 26802), (8934, 23940), (9576, 22335), (10260, 20846), (10423, 20520), (11912, 17955), (11970, 17868), (13401, 15960), (14364, 14890)]