179720820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6701}}^1$

素因数の和:6865

約数の個数: 72

約数和(自身を含む): 548893800

約数和(自身を除く): 369172980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6701, 6705, 8940, 13402, 13410, 20103, 26804, 26820, 33505, 40206, 60309, 67010, 80412, 100515, 120618, 134020, 201030, 241236, 301545, 402060, 603090, 998449, 1206180, 1996898, 2995347, 3993796, 4992245, 5990694, 8986041, 9984490, 11981388, 14976735, 17972082, 19968980, 29953470, 35944164, 44930205, 59906940, 89860410, 179720820]

約数ペア:

[(1, 179720820), (2, 89860410), (3, 59906940), (4, 44930205), (5, 35944164), (6, 29953470), (9, 19968980), (10, 17972082), (12, 14976735), (15, 11981388), (18, 9984490), (20, 8986041), (30, 5990694), (36, 4992245), (45, 3993796), (60, 2995347), (90, 1996898), (149, 1206180), (180, 998449), (298, 603090), (447, 402060), (596, 301545), (745, 241236), (894, 201030), (1341, 134020), (1490, 120618), (1788, 100515), (2235, 80412), (2682, 67010), (2980, 60309), (4470, 40206), (5364, 33505), (6701, 26820), (6705, 26804), (8940, 20103), (13402, 13410)]