18723022880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{8521}}^1$

素因数の和:9010

約数の個数: 96

約数和(自身を含む): 45768457728

約数和(自身を除く): 27045434848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 443, 496, 620, 886, 992, 1240, 1772, 2215, 2480, 3544, 4430, 4960, 7088, 8521, 8860, 13733, 14176, 17042, 17720, 27466, 34084, 35440, 42605, 54932, 68168, 68665, 70880, 85210, 109864, 136336, 137330, 170420, 219728, 264151, 272672, 274660, 340840, 439456, 528302, 549320, 681680, 1056604, 1098640, 1320755, 1363360, 2113208, 2197280, 2641510, 3774803, 4226416, 5283020, 7549606, 8452832, 10566040, 15099212, 18874015, 21132080, 30198424, 37748030, 42264160, 60396848, 75496060, 117018893, 120793696, 150992120, 234037786, 301984240, 468075572, 585094465, 603968480, 936151144, 1170188930, 1872302288, 2340377860, 3744604576, 4680755720, 9361511440, 18723022880]

約数ペア:

[(1, 18723022880), (2, 9361511440), (4, 4680755720), (5, 3744604576), (8, 2340377860), (10, 1872302288), (16, 1170188930), (20, 936151144), (31, 603968480), (32, 585094465), (40, 468075572), (62, 301984240), (80, 234037786), (124, 150992120), (155, 120793696), (160, 117018893), (248, 75496060), (310, 60396848), (443, 42264160), (496, 37748030), (620, 30198424), (886, 21132080), (992, 18874015), (1240, 15099212), (1772, 10566040), (2215, 8452832), (2480, 7549606), (3544, 5283020), (4430, 4226416), (4960, 3774803), (7088, 2641510), (8521, 2197280), (8860, 2113208), (13733, 1363360), (14176, 1320755), (17042, 1098640), (17720, 1056604), (27466, 681680), (34084, 549320), (35440, 528302), (42605, 439456), (54932, 340840), (68168, 274660), (68665, 272672), (70880, 264151), (85210, 219728), (109864, 170420), (136336, 137330)]