689136240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220877}}^1$

素因数の和:220906

約数の個数: 80

約数和(自身を含む): 2300665248

約数和(自身を除く): 1611529008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 220877, 441754, 662631, 883508, 1104385, 1325262, 1767016, 2208770, 2650524, 2871401, 3313155, 3534032, 4417540, 5301048, 5742802, 6626310, 8614203, 8835080, 10602096, 11485604, 13252620, 14357005, 17228406, 17670160, 22971208, 26505240, 28714010, 34456812, 43071015, 45942416, 53010480, 57428020, 68913624, 86142030, 114856040, 137827248, 172284060, 229712080, 344568120, 689136240]

約数ペア:

[(1, 689136240), (2, 344568120), (3, 229712080), (4, 172284060), (5, 137827248), (6, 114856040), (8, 86142030), (10, 68913624), (12, 57428020), (13, 53010480), (15, 45942416), (16, 43071015), (20, 34456812), (24, 28714010), (26, 26505240), (30, 22971208), (39, 17670160), (40, 17228406), (48, 14357005), (52, 13252620), (60, 11485604), (65, 10602096), (78, 8835080), (80, 8614203), (104, 6626310), (120, 5742802), (130, 5301048), (156, 4417540), (195, 3534032), (208, 3313155), (240, 2871401), (260, 2650524), (312, 2208770), (390, 1767016), (520, 1325262), (624, 1104385), (780, 883508), (1040, 662631), (1560, 441754), (3120, 220877)]