157065220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1565

約数の個数: 72

約数和(自身を含む): 368928000

約数和(自身を除く): 211862780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 1499, 1612, 1690, 2015, 2998, 3380, 4030, 5239, 5996, 7495, 8060, 10478, 14990, 19487, 20956, 26195, 29980, 38974, 46469, 52390, 77948, 92938, 97435, 104780, 185876, 194870, 232345, 253331, 389740, 464690, 506662, 604097, 929380, 1013324, 1208194, 1266655, 2416388, 2533310, 3020485, 5066620, 6040970, 7853261, 12081940, 15706522, 31413044, 39266305, 78532610, 157065220]

約数ペア:

[(1, 157065220), (2, 78532610), (4, 39266305), (5, 31413044), (10, 15706522), (13, 12081940), (20, 7853261), (26, 6040970), (31, 5066620), (52, 3020485), (62, 2533310), (65, 2416388), (124, 1266655), (130, 1208194), (155, 1013324), (169, 929380), (260, 604097), (310, 506662), (338, 464690), (403, 389740), (620, 253331), (676, 232345), (806, 194870), (845, 185876), (1499, 104780), (1612, 97435), (1690, 92938), (2015, 77948), (2998, 52390), (3380, 46469), (4030, 38974), (5239, 29980), (5996, 26195), (7495, 20956), (8060, 19487), (10478, 14990)]