331478560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 192

約数和(自身を含む): 969857280

約数和(自身を除く): 638378720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 37, 38, 40, 56, 70, 74, 76, 80, 95, 112, 133, 140, 148, 152, 160, 185, 190, 224, 259, 266, 280, 296, 304, 370, 380, 421, 518, 532, 560, 592, 608, 665, 703, 740, 760, 842, 1036, 1064, 1120, 1184, 1295, 1330, 1406, 1480, 1520, 1684, 2072, 2105, 2128, 2590, 2660, 2812, 2947, 2960, 3040, 3368, 3515, 4144, 4210, 4256, 4921, 5180, 5320, 5624, 5894, 5920, 6736, 7030, 7999, 8288, 8420, 9842, 10360, 10640, 11248, 11788, 13472, 14060, 14735, 15577, 15998, 16840, 19684, 20720, 21280, 22496, 23576, 24605, 28120, 29470, 31154, 31996, 33680, 39368, 39995, 41440, 47152, 49210, 55993, 56240, 58940, 62308, 63992, 67360, 77885, 78736, 79990, 94304, 98420, 109039, 111986, 112480, 117880, 124616, 127984, 155770, 157472, 159980, 196840, 218078, 223972, 235760, 249232, 255968, 279965, 295963, 311540, 319960, 393680, 436156, 447944, 471520, 498464, 545195, 559930, 591926, 623080, 639920, 787360, 872312, 895888, 1090390, 1119860, 1183852, 1246160, 1279840, 1479815, 1744624, 1791776, 2071741, 2180780, 2239720, 2367704, 2492320, 2959630, 3489248, 4143482, 4361560, 4479440, 4735408, 5919260, 8286964, 8723120, 8958880, 9470816, 10358705, 11838520, 16573928, 17446240, 20717410, 23677040, 33147856, 41434820, 47354080, 66295712, 82869640, 165739280, 331478560]

約数ペア:

[(1, 331478560), (2, 165739280), (4, 82869640), (5, 66295712), (7, 47354080), (8, 41434820), (10, 33147856), (14, 23677040), (16, 20717410), (19, 17446240), (20, 16573928), (28, 11838520), (32, 10358705), (35, 9470816), (37, 8958880), (38, 8723120), (40, 8286964), (56, 5919260), (70, 4735408), (74, 4479440), (76, 4361560), (80, 4143482), (95, 3489248), (112, 2959630), (133, 2492320), (140, 2367704), (148, 2239720), (152, 2180780), (160, 2071741), (185, 1791776), (190, 1744624), (224, 1479815), (259, 1279840), (266, 1246160), (280, 1183852), (296, 1119860), (304, 1090390), (370, 895888), (380, 872312), (421, 787360), (518, 639920), (532, 623080), (560, 591926), (592, 559930), (608, 545195), (665, 498464), (703, 471520), (740, 447944), (760, 436156), (842, 393680), (1036, 319960), (1064, 311540), (1120, 295963), (1184, 279965), (1295, 255968), (1330, 249232), (1406, 235760), (1480, 223972), (1520, 218078), (1684, 196840), (2072, 159980), (2105, 157472), (2128, 155770), (2590, 127984), (2660, 124616), (2812, 117880), (2947, 112480), (2960, 111986), (3040, 109039), (3368, 98420), (3515, 94304), (4144, 79990), (4210, 78736), (4256, 77885), (4921, 67360), (5180, 63992), (5320, 62308), (5624, 58940), (5894, 56240), (5920, 55993), (6736, 49210), (7030, 47152), (7999, 41440), (8288, 39995), (8420, 39368), (9842, 33680), (10360, 31996), (10640, 31154), (11248, 29470), (11788, 28120), (13472, 24605), (14060, 23576), (14735, 22496), (15577, 21280), (15998, 20720), (16840, 19684)]