1257378960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{275741}}^1$

素因数の和:275776

約数の個数: 80

約数和(自身を含む): 4103040960

約数和(自身を除く): 2845662000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 275741, 551482, 827223, 1102964, 1378705, 1654446, 2205928, 2757410, 3308892, 4136115, 4411856, 5239079, 5514820, 6617784, 8272230, 10478158, 11029640, 13235568, 15717237, 16544460, 20956316, 22059280, 26195395, 31434474, 33088920, 41912632, 52390790, 62868948, 66177840, 78586185, 83825264, 104781580, 125737896, 157172370, 209563160, 251475792, 314344740, 419126320, 628689480, 1257378960]

約数ペア:

[(1, 1257378960), (2, 628689480), (3, 419126320), (4, 314344740), (5, 251475792), (6, 209563160), (8, 157172370), (10, 125737896), (12, 104781580), (15, 83825264), (16, 78586185), (19, 66177840), (20, 62868948), (24, 52390790), (30, 41912632), (38, 33088920), (40, 31434474), (48, 26195395), (57, 22059280), (60, 20956316), (76, 16544460), (80, 15717237), (95, 13235568), (114, 11029640), (120, 10478158), (152, 8272230), (190, 6617784), (228, 5514820), (240, 5239079), (285, 4411856), (304, 4136115), (380, 3308892), (456, 2757410), (570, 2205928), (760, 1654446), (912, 1378705), (1140, 1102964), (1520, 827223), (2280, 551482), (4560, 275741)]