54381420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15901}}^1$

素因数の和:15935

約数の個数: 72

約数和(自身を含む): 173649840

約数和(自身を除く): 119268420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 15901, 31802, 47703, 63604, 79505, 95406, 143109, 159010, 190812, 238515, 286218, 302119, 318020, 477030, 572436, 604238, 715545, 906357, 954060, 1208476, 1431090, 1510595, 1812714, 2719071, 2862180, 3021190, 3625428, 4531785, 5438142, 6042380, 9063570, 10876284, 13595355, 18127140, 27190710, 54381420]

約数ペア:

[(1, 54381420), (2, 27190710), (3, 18127140), (4, 13595355), (5, 10876284), (6, 9063570), (9, 6042380), (10, 5438142), (12, 4531785), (15, 3625428), (18, 3021190), (19, 2862180), (20, 2719071), (30, 1812714), (36, 1510595), (38, 1431090), (45, 1208476), (57, 954060), (60, 906357), (76, 715545), (90, 604238), (95, 572436), (114, 477030), (171, 318020), (180, 302119), (190, 286218), (228, 238515), (285, 190812), (342, 159010), (380, 143109), (570, 95406), (684, 79505), (855, 63604), (1140, 47703), (1710, 31802), (3420, 15901)]