1395457280

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1225

約数の個数: 216

約数和(自身を含む): 4096421280

約数和(自身を除く): 2700964000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 152, 160, 190, 196, 224, 245, 256, 266, 280, 304, 320, 380, 392, 448, 490, 532, 560, 608, 640, 665, 760, 784, 896, 931, 980, 1064, 1120, 1171, 1216, 1280, 1330, 1520, 1568, 1792, 1862, 1960, 2128, 2240, 2342, 2432, 2660, 3040, 3136, 3724, 3920, 4256, 4480, 4655, 4684, 4864, 5320, 5855, 6080, 6272, 7448, 7840, 8197, 8512, 8960, 9310, 9368, 10640, 11710, 12160, 12544, 14896, 15680, 16394, 17024, 18620, 18736, 21280, 22249, 23420, 24320, 29792, 31360, 32788, 34048, 37240, 37472, 40985, 42560, 44498, 46840, 57379, 59584, 62720, 65576, 74480, 74944, 81970, 85120, 88996, 93680, 111245, 114758, 119168, 131152, 148960, 149888, 155743, 163940, 170240, 177992, 187360, 222490, 229516, 238336, 262304, 286895, 297920, 299776, 311486, 327880, 355984, 374720, 444980, 459032, 524608, 573790, 595840, 622972, 655760, 711968, 749440, 778715, 889960, 918064, 1049216, 1090201, 1147580, 1191680, 1245944, 1311520, 1423936, 1498880, 1557430, 1779920, 1836128, 2098432, 2180402, 2295160, 2491888, 2623040, 2847872, 3114860, 3559840, 3672256, 4360804, 4590320, 4983776, 5246080, 5451005, 5695744, 6229720, 7119680, 7344512, 8721608, 9180640, 9967552, 10492160, 10902010, 12459440, 14239360, 14689024, 17443216, 18361280, 19935104, 21804020, 24918880, 28478720, 34886432, 36722560, 39870208, 43608040, 49837760, 69772864, 73445120, 87216080, 99675520, 139545728, 174432160, 199351040, 279091456, 348864320, 697728640, 1395457280]

約数ペア:

[(1, 1395457280), (2, 697728640), (4, 348864320), (5, 279091456), (7, 199351040), (8, 174432160), (10, 139545728), (14, 99675520), (16, 87216080), (19, 73445120), (20, 69772864), (28, 49837760), (32, 43608040), (35, 39870208), (38, 36722560), (40, 34886432), (49, 28478720), (56, 24918880), (64, 21804020), (70, 19935104), (76, 18361280), (80, 17443216), (95, 14689024), (98, 14239360), (112, 12459440), (128, 10902010), (133, 10492160), (140, 9967552), (152, 9180640), (160, 8721608), (190, 7344512), (196, 7119680), (224, 6229720), (245, 5695744), (256, 5451005), (266, 5246080), (280, 4983776), (304, 4590320), (320, 4360804), (380, 3672256), (392, 3559840), (448, 3114860), (490, 2847872), (532, 2623040), (560, 2491888), (608, 2295160), (640, 2180402), (665, 2098432), (760, 1836128), (784, 1779920), (896, 1557430), (931, 1498880), (980, 1423936), (1064, 1311520), (1120, 1245944), (1171, 1191680), (1216, 1147580), (1280, 1090201), (1330, 1049216), (1520, 918064), (1568, 889960), (1792, 778715), (1862, 749440), (1960, 711968), (2128, 655760), (2240, 622972), (2342, 595840), (2432, 573790), (2660, 524608), (3040, 459032), (3136, 444980), (3724, 374720), (3920, 355984), (4256, 327880), (4480, 311486), (4655, 299776), (4684, 297920), (4864, 286895), (5320, 262304), (5855, 238336), (6080, 229516), (6272, 222490), (7448, 187360), (7840, 177992), (8197, 170240), (8512, 163940), (8960, 155743), (9310, 149888), (9368, 148960), (10640, 131152), (11710, 119168), (12160, 114758), (12544, 111245), (14896, 93680), (15680, 88996), (16394, 85120), (17024, 81970), (18620, 74944), (18736, 74480), (21280, 65576), (22249, 62720), (23420, 59584), (24320, 57379), (29792, 46840), (31360, 44498), (32788, 42560), (34048, 40985), (37240, 37472)]