1328512640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22811}}^1$

素因数の和:22850

約数の個数: 128

約数和(自身を含む): 3909064320

約数和(自身を除く): 2580551680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 5824, 7280, 8320, 11648, 14560, 22811, 29120, 45622, 58240, 91244, 114055, 159677, 182488, 228110, 296543, 319354, 364976, 456220, 593086, 638708, 729952, 798385, 912440, 1186172, 1277416, 1459904, 1482715, 1596770, 1824880, 2075801, 2372344, 2554832, 2919808, 2965430, 3193540, 3649760, 4151602, 4744688, 5109664, 5930860, 6387080, 7299520, 8303204, 9489376, 10219328, 10379005, 11861720, 12774160, 14599040, 16606408, 18978752, 20438656, 20758010, 23723440, 25548320, 33212816, 37957504, 41516020, 47446880, 51096640, 66425632, 83032040, 94893760, 102193280, 132851264, 166064080, 189787520, 265702528, 332128160, 664256320, 1328512640]

約数ペア:

[(1, 1328512640), (2, 664256320), (4, 332128160), (5, 265702528), (7, 189787520), (8, 166064080), (10, 132851264), (13, 102193280), (14, 94893760), (16, 83032040), (20, 66425632), (26, 51096640), (28, 47446880), (32, 41516020), (35, 37957504), (40, 33212816), (52, 25548320), (56, 23723440), (64, 20758010), (65, 20438656), (70, 18978752), (80, 16606408), (91, 14599040), (104, 12774160), (112, 11861720), (128, 10379005), (130, 10219328), (140, 9489376), (160, 8303204), (182, 7299520), (208, 6387080), (224, 5930860), (260, 5109664), (280, 4744688), (320, 4151602), (364, 3649760), (416, 3193540), (448, 2965430), (455, 2919808), (520, 2554832), (560, 2372344), (640, 2075801), (728, 1824880), (832, 1596770), (896, 1482715), (910, 1459904), (1040, 1277416), (1120, 1186172), (1456, 912440), (1664, 798385), (1820, 729952), (2080, 638708), (2240, 593086), (2912, 456220), (3640, 364976), (4160, 319354), (4480, 296543), (5824, 228110), (7280, 182488), (8320, 159677), (11648, 114055), (14560, 91244), (22811, 58240), (29120, 45622)]