65688320

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 172431840

約数和(自身を除く): 106743520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 73, 74, 76, 80, 95, 128, 146, 148, 152, 160, 185, 190, 256, 292, 296, 304, 320, 365, 370, 380, 584, 592, 608, 640, 703, 730, 740, 760, 1168, 1184, 1216, 1280, 1387, 1406, 1460, 1480, 1520, 2336, 2368, 2432, 2701, 2774, 2812, 2920, 2960, 3040, 3515, 4672, 4736, 4864, 5402, 5548, 5624, 5840, 5920, 6080, 6935, 7030, 9344, 9472, 10804, 11096, 11248, 11680, 11840, 12160, 13505, 13870, 14060, 18688, 21608, 22192, 22496, 23360, 23680, 24320, 27010, 27740, 28120, 43216, 44384, 44992, 46720, 47360, 51319, 54020, 55480, 56240, 86432, 88768, 89984, 93440, 102638, 108040, 110960, 112480, 172864, 177536, 179968, 205276, 216080, 221920, 224960, 256595, 345728, 355072, 410552, 432160, 443840, 449920, 513190, 691456, 821104, 864320, 887680, 899840, 1026380, 1642208, 1728640, 1775360, 2052760, 3284416, 3457280, 4105520, 6568832, 8211040, 13137664, 16422080, 32844160, 65688320]

約数ペア:

[(1, 65688320), (2, 32844160), (4, 16422080), (5, 13137664), (8, 8211040), (10, 6568832), (16, 4105520), (19, 3457280), (20, 3284416), (32, 2052760), (37, 1775360), (38, 1728640), (40, 1642208), (64, 1026380), (73, 899840), (74, 887680), (76, 864320), (80, 821104), (95, 691456), (128, 513190), (146, 449920), (148, 443840), (152, 432160), (160, 410552), (185, 355072), (190, 345728), (256, 256595), (292, 224960), (296, 221920), (304, 216080), (320, 205276), (365, 179968), (370, 177536), (380, 172864), (584, 112480), (592, 110960), (608, 108040), (640, 102638), (703, 93440), (730, 89984), (740, 88768), (760, 86432), (1168, 56240), (1184, 55480), (1216, 54020), (1280, 51319), (1387, 47360), (1406, 46720), (1460, 44992), (1480, 44384), (1520, 43216), (2336, 28120), (2368, 27740), (2432, 27010), (2701, 24320), (2774, 23680), (2812, 23360), (2920, 22496), (2960, 22192), (3040, 21608), (3515, 18688), (4672, 14060), (4736, 13870), (4864, 13505), (5402, 12160), (5548, 11840), (5624, 11680), (5840, 11248), (5920, 11096), (6080, 10804), (6935, 9472), (7030, 9344)]