818768520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{39901}}^1$

素因数の和:39940

約数の個数: 128

約数和(自身を含む): 2872944000

約数和(自身を除く): 2054175480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 39901, 79802, 119703, 159604, 199505, 239406, 319208, 359109, 399010, 478812, 598515, 718218, 758119, 798020, 957624, 1077327, 1197030, 1436436, 1516238, 1596040, 1795545, 2154654, 2274357, 2394060, 2872872, 3032476, 3591090, 3790595, 4309308, 4548714, 4788120, 5386635, 6064952, 6823071, 7182180, 7581190, 8618616, 9097428, 10773270, 11371785, 13646142, 14364360, 15162380, 18194856, 20469213, 21546540, 22743570, 27292284, 30324760, 34115355, 40938426, 43093080, 45487140, 54584568, 68230710, 81876852, 90974280, 102346065, 136461420, 163753704, 204692130, 272922840, 409384260, 818768520]

約数ペア:

[(1, 818768520), (2, 409384260), (3, 272922840), (4, 204692130), (5, 163753704), (6, 136461420), (8, 102346065), (9, 90974280), (10, 81876852), (12, 68230710), (15, 54584568), (18, 45487140), (19, 43093080), (20, 40938426), (24, 34115355), (27, 30324760), (30, 27292284), (36, 22743570), (38, 21546540), (40, 20469213), (45, 18194856), (54, 15162380), (57, 14364360), (60, 13646142), (72, 11371785), (76, 10773270), (90, 9097428), (95, 8618616), (108, 7581190), (114, 7182180), (120, 6823071), (135, 6064952), (152, 5386635), (171, 4788120), (180, 4548714), (190, 4309308), (216, 3790595), (228, 3591090), (270, 3032476), (285, 2872872), (342, 2394060), (360, 2274357), (380, 2154654), (456, 1795545), (513, 1596040), (540, 1516238), (570, 1436436), (684, 1197030), (760, 1077327), (855, 957624), (1026, 798020), (1080, 758119), (1140, 718218), (1368, 598515), (1710, 478812), (2052, 399010), (2280, 359109), (2565, 319208), (3420, 239406), (4104, 199505), (5130, 159604), (6840, 119703), (10260, 79802), (20520, 39901)]