161880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:104

約数の個数: 64

約数和(自身を含む): 518400

約数和(自身を除く): 356520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 190, 213, 228, 284, 285, 355, 380, 426, 456, 568, 570, 710, 760, 852, 1065, 1140, 1349, 1420, 1704, 2130, 2280, 2698, 2840, 4047, 4260, 5396, 6745, 8094, 8520, 10792, 13490, 16188, 20235, 26980, 32376, 40470, 53960, 80940, 161880]

約数ペア:

[(1, 161880), (2, 80940), (3, 53960), (4, 40470), (5, 32376), (6, 26980), (8, 20235), (10, 16188), (12, 13490), (15, 10792), (19, 8520), (20, 8094), (24, 6745), (30, 5396), (38, 4260), (40, 4047), (57, 2840), (60, 2698), (71, 2280), (76, 2130), (95, 1704), (114, 1420), (120, 1349), (142, 1140), (152, 1065), (190, 852), (213, 760), (228, 710), (284, 570), (285, 568), (355, 456), (380, 426)]