1288408520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1571}}^1$

素因数の和:1719

約数の個数: 128

約数和(自身を含む): 3463430400

約数和(自身を除く): 2175021880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 101, 116, 140, 145, 202, 203, 232, 280, 290, 404, 406, 505, 580, 707, 808, 812, 1010, 1015, 1160, 1414, 1571, 1624, 2020, 2030, 2828, 2929, 3142, 3535, 4040, 4060, 5656, 5858, 6284, 7070, 7855, 8120, 10997, 11716, 12568, 14140, 14645, 15710, 20503, 21994, 23432, 28280, 29290, 31420, 41006, 43988, 45559, 54985, 58580, 62840, 82012, 87976, 91118, 102515, 109970, 117160, 158671, 164024, 182236, 205030, 219940, 227795, 317342, 318913, 364472, 410060, 439880, 455590, 634684, 637826, 793355, 820120, 911180, 1110697, 1269368, 1275652, 1586710, 1594565, 1822360, 2221394, 2551304, 3173420, 3189130, 4442788, 4601459, 5553485, 6346840, 6378260, 8885576, 9202918, 11106970, 12756520, 18405836, 22213940, 23007295, 32210213, 36811672, 44427880, 46014590, 64420426, 92029180, 128840852, 161051065, 184058360, 257681704, 322102130, 644204260, 1288408520]

約数ペア:

[(1, 1288408520), (2, 644204260), (4, 322102130), (5, 257681704), (7, 184058360), (8, 161051065), (10, 128840852), (14, 92029180), (20, 64420426), (28, 46014590), (29, 44427880), (35, 36811672), (40, 32210213), (56, 23007295), (58, 22213940), (70, 18405836), (101, 12756520), (116, 11106970), (140, 9202918), (145, 8885576), (202, 6378260), (203, 6346840), (232, 5553485), (280, 4601459), (290, 4442788), (404, 3189130), (406, 3173420), (505, 2551304), (580, 2221394), (707, 1822360), (808, 1594565), (812, 1586710), (1010, 1275652), (1015, 1269368), (1160, 1110697), (1414, 911180), (1571, 820120), (1624, 793355), (2020, 637826), (2030, 634684), (2828, 455590), (2929, 439880), (3142, 410060), (3535, 364472), (4040, 318913), (4060, 317342), (5656, 227795), (5858, 219940), (6284, 205030), (7070, 182236), (7855, 164024), (8120, 158671), (10997, 117160), (11716, 109970), (12568, 102515), (14140, 91118), (14645, 87976), (15710, 82012), (20503, 62840), (21994, 58580), (23432, 54985), (28280, 45559), (29290, 43988), (31420, 41006)]