164628540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1301}}^1$

素因数の和:1372

約数の個数: 144

約数和(自身を含む): 540277920

約数和(自身を除く): 375649380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 222, 228, 285, 333, 342, 370, 380, 444, 555, 570, 666, 684, 703, 740, 855, 1110, 1140, 1301, 1332, 1406, 1665, 1710, 2109, 2220, 2602, 2812, 3330, 3420, 3515, 3903, 4218, 5204, 6327, 6505, 6660, 7030, 7806, 8436, 10545, 11709, 12654, 13010, 14060, 15612, 19515, 21090, 23418, 24719, 25308, 26020, 31635, 39030, 42180, 46836, 48137, 49438, 58545, 63270, 74157, 78060, 96274, 98876, 117090, 123595, 126540, 144411, 148314, 192548, 222471, 234180, 240685, 247190, 288822, 296628, 370785, 433233, 444942, 481370, 494380, 577644, 722055, 741570, 866466, 889884, 914603, 962740, 1112355, 1444110, 1483140, 1732932, 1829206, 2166165, 2224710, 2743809, 2888220, 3658412, 4332330, 4449420, 4573015, 5487618, 8231427, 8664660, 9146030, 10975236, 13719045, 16462854, 18292060, 27438090, 32925708, 41157135, 54876180, 82314270, 164628540]

約数ペア:

[(1, 164628540), (2, 82314270), (3, 54876180), (4, 41157135), (5, 32925708), (6, 27438090), (9, 18292060), (10, 16462854), (12, 13719045), (15, 10975236), (18, 9146030), (19, 8664660), (20, 8231427), (30, 5487618), (36, 4573015), (37, 4449420), (38, 4332330), (45, 3658412), (57, 2888220), (60, 2743809), (74, 2224710), (76, 2166165), (90, 1829206), (95, 1732932), (111, 1483140), (114, 1444110), (148, 1112355), (171, 962740), (180, 914603), (185, 889884), (190, 866466), (222, 741570), (228, 722055), (285, 577644), (333, 494380), (342, 481370), (370, 444942), (380, 433233), (444, 370785), (555, 296628), (570, 288822), (666, 247190), (684, 240685), (703, 234180), (740, 222471), (855, 192548), (1110, 148314), (1140, 144411), (1301, 126540), (1332, 123595), (1406, 117090), (1665, 98876), (1710, 96274), (2109, 78060), (2220, 74157), (2602, 63270), (2812, 58545), (3330, 49438), (3420, 48137), (3515, 46836), (3903, 42180), (4218, 39030), (5204, 31635), (6327, 26020), (6505, 25308), (6660, 24719), (7030, 23418), (7806, 21090), (8436, 19515), (10545, 15612), (11709, 14060), (12654, 13010)]