755941720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 1868106240

約数和(自身を除く): 1112164520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 103, 136, 170, 172, 206, 215, 251, 340, 344, 412, 430, 502, 515, 680, 731, 824, 860, 1004, 1030, 1255, 1462, 1720, 1751, 2008, 2060, 2510, 2924, 3502, 3655, 4120, 4267, 4429, 5020, 5848, 7004, 7310, 8534, 8755, 8858, 10040, 10793, 14008, 14620, 17068, 17510, 17716, 21335, 21586, 22145, 25853, 29240, 34136, 35020, 35432, 42670, 43172, 44290, 51706, 53965, 70040, 75293, 85340, 86344, 88580, 103412, 107930, 129265, 150586, 170680, 177160, 183481, 206824, 215860, 258530, 301172, 366962, 376465, 431720, 439501, 517060, 602344, 733924, 752930, 879002, 917405, 1034120, 1111679, 1467848, 1505860, 1758004, 1834810, 2197505, 2223358, 3011720, 3516008, 3669620, 4395010, 4446716, 5558395, 7339240, 8790020, 8893432, 11116790, 17580040, 18898543, 22233580, 37797086, 44467160, 75594172, 94492715, 151188344, 188985430, 377970860, 755941720]

約数ペア:

[(1, 755941720), (2, 377970860), (4, 188985430), (5, 151188344), (8, 94492715), (10, 75594172), (17, 44467160), (20, 37797086), (34, 22233580), (40, 18898543), (43, 17580040), (68, 11116790), (85, 8893432), (86, 8790020), (103, 7339240), (136, 5558395), (170, 4446716), (172, 4395010), (206, 3669620), (215, 3516008), (251, 3011720), (340, 2223358), (344, 2197505), (412, 1834810), (430, 1758004), (502, 1505860), (515, 1467848), (680, 1111679), (731, 1034120), (824, 917405), (860, 879002), (1004, 752930), (1030, 733924), (1255, 602344), (1462, 517060), (1720, 439501), (1751, 431720), (2008, 376465), (2060, 366962), (2510, 301172), (2924, 258530), (3502, 215860), (3655, 206824), (4120, 183481), (4267, 177160), (4429, 170680), (5020, 150586), (5848, 129265), (7004, 107930), (7310, 103412), (8534, 88580), (8755, 86344), (8858, 85340), (10040, 75293), (10793, 70040), (14008, 53965), (14620, 51706), (17068, 44290), (17510, 43172), (17716, 42670), (21335, 35432), (21586, 35020), (22145, 34136), (25853, 29240)]