278782320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{68329}}^1$

素因数の和:68362

約数の個数: 80

約数和(自身を含む): 915075360

約数和(自身を除く): 636293040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 68329, 136658, 204987, 273316, 341645, 409974, 546632, 683290, 819948, 1024935, 1093264, 1161593, 1366580, 1639896, 2049870, 2323186, 2733160, 3279792, 3484779, 4099740, 4646372, 5466320, 5807965, 6969558, 8199480, 9292744, 11615930, 13939116, 16398960, 17423895, 18585488, 23231860, 27878232, 34847790, 46463720, 55756464, 69695580, 92927440, 139391160, 278782320]

約数ペア:

[(1, 278782320), (2, 139391160), (3, 92927440), (4, 69695580), (5, 55756464), (6, 46463720), (8, 34847790), (10, 27878232), (12, 23231860), (15, 18585488), (16, 17423895), (17, 16398960), (20, 13939116), (24, 11615930), (30, 9292744), (34, 8199480), (40, 6969558), (48, 5807965), (51, 5466320), (60, 4646372), (68, 4099740), (80, 3484779), (85, 3279792), (102, 2733160), (120, 2323186), (136, 2049870), (170, 1639896), (204, 1366580), (240, 1161593), (255, 1093264), (272, 1024935), (340, 819948), (408, 683290), (510, 546632), (680, 409974), (816, 341645), (1020, 273316), (1360, 204987), (2040, 136658), (4080, 68329)]