642806784

素因数分解:

$2^{10}\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3671}}^1$

素因数の和:3716

約数の個数: 132

約数和(自身を含む): 1954311840

約数和(自身を除く): 1311505056

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, 768, 912, 1024, 1152, 1216, 1368, 1536, 1824, 2304, 2432, 2736, 3072, 3648, 3671, 4608, 4864, 5472, 7296, 7342, 9216, 9728, 10944, 11013, 14592, 14684, 19456, 21888, 22026, 29184, 29368, 33039, 43776, 44052, 58368, 58736, 66078, 69749, 87552, 88104, 117472, 132156, 139498, 175104, 176208, 209247, 234944, 264312, 278996, 352416, 418494, 469888, 528624, 557992, 627741, 704832, 836988, 939776, 1057248, 1115984, 1255482, 1409664, 1673976, 1879552, 2114496, 2231968, 2510964, 2819328, 3347952, 3759104, 4228992, 4463936, 5021928, 5638656, 6695904, 8457984, 8927872, 10043856, 11277312, 13391808, 16915968, 17855744, 20087712, 26783616, 33831936, 35711488, 40175424, 53567232, 71422976, 80350848, 107134464, 160701696, 214268928, 321403392, 642806784]

約数ペア:

[(1, 642806784), (2, 321403392), (3, 214268928), (4, 160701696), (6, 107134464), (8, 80350848), (9, 71422976), (12, 53567232), (16, 40175424), (18, 35711488), (19, 33831936), (24, 26783616), (32, 20087712), (36, 17855744), (38, 16915968), (48, 13391808), (57, 11277312), (64, 10043856), (72, 8927872), (76, 8457984), (96, 6695904), (114, 5638656), (128, 5021928), (144, 4463936), (152, 4228992), (171, 3759104), (192, 3347952), (228, 2819328), (256, 2510964), (288, 2231968), (304, 2114496), (342, 1879552), (384, 1673976), (456, 1409664), (512, 1255482), (576, 1115984), (608, 1057248), (684, 939776), (768, 836988), (912, 704832), (1024, 627741), (1152, 557992), (1216, 528624), (1368, 469888), (1536, 418494), (1824, 352416), (2304, 278996), (2432, 264312), (2736, 234944), (3072, 209247), (3648, 176208), (3671, 175104), (4608, 139498), (4864, 132156), (5472, 117472), (7296, 88104), (7342, 87552), (9216, 69749), (9728, 66078), (10944, 58736), (11013, 58368), (14592, 44052), (14684, 43776), (19456, 33039), (21888, 29368), (22026, 29184)]