81845730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2136

約数の個数: 96

約数和(自身を含む): 233850240

約数和(自身を除く): 152004510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 30, 38, 45, 46, 57, 69, 90, 95, 114, 115, 138, 171, 190, 207, 230, 285, 342, 345, 414, 437, 570, 690, 855, 874, 1035, 1311, 1710, 2070, 2081, 2185, 2622, 3933, 4162, 4370, 6243, 6555, 7866, 10405, 12486, 13110, 18729, 19665, 20810, 31215, 37458, 39330, 39539, 47863, 62430, 79078, 93645, 95726, 118617, 143589, 187290, 197695, 237234, 239315, 287178, 355851, 395390, 430767, 478630, 593085, 711702, 717945, 861534, 909397, 1186170, 1435890, 1779255, 1818794, 2153835, 2728191, 3558510, 4307670, 4546985, 5456382, 8184573, 9093970, 13640955, 16369146, 27281910, 40922865, 81845730]

約数ペア:

[(1, 81845730), (2, 40922865), (3, 27281910), (5, 16369146), (6, 13640955), (9, 9093970), (10, 8184573), (15, 5456382), (18, 4546985), (19, 4307670), (23, 3558510), (30, 2728191), (38, 2153835), (45, 1818794), (46, 1779255), (57, 1435890), (69, 1186170), (90, 909397), (95, 861534), (114, 717945), (115, 711702), (138, 593085), (171, 478630), (190, 430767), (207, 395390), (230, 355851), (285, 287178), (342, 239315), (345, 237234), (414, 197695), (437, 187290), (570, 143589), (690, 118617), (855, 95726), (874, 93645), (1035, 79078), (1311, 62430), (1710, 47863), (2070, 39539), (2081, 39330), (2185, 37458), (2622, 31215), (3933, 20810), (4162, 19665), (4370, 18729), (6243, 13110), (6555, 12486), (7866, 10405)]