31854150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1086

約数の個数: 72

約数和(自身を含む): 86873904

約数和(自身を除く): 55019754

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 639, 710, 997, 1065, 1278, 1775, 1994, 2130, 2991, 3195, 3550, 4985, 5325, 5982, 6390, 8973, 9970, 10650, 14955, 15975, 17946, 24925, 29910, 31950, 44865, 49850, 70787, 74775, 89730, 141574, 149550, 212361, 224325, 353935, 424722, 448650, 637083, 707870, 1061805, 1274166, 1769675, 2123610, 3185415, 3539350, 5309025, 6370830, 10618050, 15927075, 31854150]

約数ペア:

[(1, 31854150), (2, 15927075), (3, 10618050), (5, 6370830), (6, 5309025), (9, 3539350), (10, 3185415), (15, 2123610), (18, 1769675), (25, 1274166), (30, 1061805), (45, 707870), (50, 637083), (71, 448650), (75, 424722), (90, 353935), (142, 224325), (150, 212361), (213, 149550), (225, 141574), (355, 89730), (426, 74775), (450, 70787), (639, 49850), (710, 44865), (997, 31950), (1065, 29910), (1278, 24925), (1775, 17946), (1994, 15975), (2130, 14955), (2991, 10650), (3195, 9970), (3550, 8973), (4985, 6390), (5325, 5982)]