180178520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{619}}^1$

素因数の和:1032

約数の個数: 64

約数和(自身を含む): 428544000

約数和(自身を除く): 248365480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 383, 619, 760, 766, 1238, 1532, 1915, 2476, 3064, 3095, 3830, 4952, 6190, 7277, 7660, 11761, 12380, 14554, 15320, 23522, 24760, 29108, 36385, 47044, 58216, 58805, 72770, 94088, 117610, 145540, 235220, 237077, 291080, 470440, 474154, 948308, 1185385, 1896616, 2370770, 4504463, 4741540, 9008926, 9483080, 18017852, 22522315, 36035704, 45044630, 90089260, 180178520]

約数ペア:

[(1, 180178520), (2, 90089260), (4, 45044630), (5, 36035704), (8, 22522315), (10, 18017852), (19, 9483080), (20, 9008926), (38, 4741540), (40, 4504463), (76, 2370770), (95, 1896616), (152, 1185385), (190, 948308), (380, 474154), (383, 470440), (619, 291080), (760, 237077), (766, 235220), (1238, 145540), (1532, 117610), (1915, 94088), (2476, 72770), (3064, 58805), (3095, 58216), (3830, 47044), (4952, 36385), (6190, 29108), (7277, 24760), (7660, 23522), (11761, 15320), (12380, 14554)]