61215720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26849}}^1$

素因数の和:26882

約数の個数: 64

約数和(自身を含む): 193320000

約数和(自身を除く): 132104280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 26849, 53698, 80547, 107396, 134245, 161094, 214792, 268490, 322188, 402735, 510131, 536980, 644376, 805470, 1020262, 1073960, 1530393, 1610940, 2040524, 2550655, 3060786, 3221880, 4081048, 5101310, 6121572, 7651965, 10202620, 12243144, 15303930, 20405240, 30607860, 61215720]

約数ペア:

[(1, 61215720), (2, 30607860), (3, 20405240), (4, 15303930), (5, 12243144), (6, 10202620), (8, 7651965), (10, 6121572), (12, 5101310), (15, 4081048), (19, 3221880), (20, 3060786), (24, 2550655), (30, 2040524), (38, 1610940), (40, 1530393), (57, 1073960), (60, 1020262), (76, 805470), (95, 644376), (114, 536980), (120, 510131), (152, 402735), (190, 322188), (228, 268490), (285, 214792), (380, 161094), (456, 134245), (570, 107396), (760, 80547), (1140, 53698), (2280, 26849)]