256702464

素因数分解:

$2^{11}\times 3^2\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:780

約数の個数: 144

約数和(自身を含む): 781489800

約数和(自身を除く): 524787336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 512, 576, 608, 684, 733, 768, 912, 1024, 1152, 1216, 1368, 1466, 1536, 1824, 2048, 2199, 2304, 2432, 2736, 2932, 3072, 3648, 4398, 4608, 4864, 5472, 5864, 6144, 6597, 7296, 8796, 9216, 9728, 10944, 11728, 13194, 13927, 14592, 17592, 18432, 19456, 21888, 23456, 26388, 27854, 29184, 35184, 38912, 41781, 43776, 46912, 52776, 55708, 58368, 70368, 83562, 87552, 93824, 105552, 111416, 116736, 125343, 140736, 167124, 175104, 187648, 211104, 222832, 250686, 281472, 334248, 350208, 375296, 422208, 445664, 501372, 562944, 668496, 750592, 844416, 891328, 1002744, 1125888, 1336992, 1501184, 1688832, 1782656, 2005488, 2251776, 2673984, 3377664, 3565312, 4010976, 4503552, 5347968, 6755328, 7130624, 8021952, 10695936, 13510656, 14261248, 16043904, 21391872, 28522496, 32087808, 42783744, 64175616, 85567488, 128351232, 256702464]

約数ペア:

[(1, 256702464), (2, 128351232), (3, 85567488), (4, 64175616), (6, 42783744), (8, 32087808), (9, 28522496), (12, 21391872), (16, 16043904), (18, 14261248), (19, 13510656), (24, 10695936), (32, 8021952), (36, 7130624), (38, 6755328), (48, 5347968), (57, 4503552), (64, 4010976), (72, 3565312), (76, 3377664), (96, 2673984), (114, 2251776), (128, 2005488), (144, 1782656), (152, 1688832), (171, 1501184), (192, 1336992), (228, 1125888), (256, 1002744), (288, 891328), (304, 844416), (342, 750592), (384, 668496), (456, 562944), (512, 501372), (576, 445664), (608, 422208), (684, 375296), (733, 350208), (768, 334248), (912, 281472), (1024, 250686), (1152, 222832), (1216, 211104), (1368, 187648), (1466, 175104), (1536, 167124), (1824, 140736), (2048, 125343), (2199, 116736), (2304, 111416), (2432, 105552), (2736, 93824), (2932, 87552), (3072, 83562), (3648, 70368), (4398, 58368), (4608, 55708), (4864, 52776), (5472, 46912), (5864, 43776), (6144, 41781), (6597, 38912), (7296, 35184), (8796, 29184), (9216, 27854), (9728, 26388), (10944, 23456), (11728, 21888), (13194, 19456), (13927, 18432), (14592, 17592)]