15213250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 31868928

約数和(自身を除く): 16655678

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 151, 155, 250, 302, 310, 325, 403, 650, 755, 775, 806, 1510, 1550, 1625, 1963, 2015, 3250, 3775, 3875, 3926, 4030, 4681, 7550, 7750, 9362, 9815, 10075, 18875, 19630, 20150, 23405, 37750, 46810, 49075, 50375, 60853, 98150, 100750, 117025, 121706, 234050, 245375, 304265, 490750, 585125, 608530, 1170250, 1521325, 3042650, 7606625, 15213250]

約数ペア:

[(1, 15213250), (2, 7606625), (5, 3042650), (10, 1521325), (13, 1170250), (25, 608530), (26, 585125), (31, 490750), (50, 304265), (62, 245375), (65, 234050), (125, 121706), (130, 117025), (151, 100750), (155, 98150), (250, 60853), (302, 50375), (310, 49075), (325, 46810), (403, 37750), (650, 23405), (755, 20150), (775, 19630), (806, 18875), (1510, 10075), (1550, 9815), (1625, 9362), (1963, 7750), (2015, 7550), (3250, 4681), (3775, 4030), (3875, 3926)]