128467740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112691}}^1$

素因数の和:112722

約数の個数: 48

約数和(自身を含む): 378645120

約数和(自身を除く): 250177380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 112691, 225382, 338073, 450764, 563455, 676146, 1126910, 1352292, 1690365, 2141129, 2253820, 3380730, 4282258, 6423387, 6761460, 8564516, 10705645, 12846774, 21411290, 25693548, 32116935, 42822580, 64233870, 128467740]

約数ペア:

[(1, 128467740), (2, 64233870), (3, 42822580), (4, 32116935), (5, 25693548), (6, 21411290), (10, 12846774), (12, 10705645), (15, 8564516), (19, 6761460), (20, 6423387), (30, 4282258), (38, 3380730), (57, 2253820), (60, 2141129), (76, 1690365), (95, 1352292), (114, 1126910), (190, 676146), (228, 563455), (285, 450764), (380, 338073), (570, 225382), (1140, 112691)]