1640984520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{3823}}^1$

素因数の和:3924

約数の個数: 192

約数和(自身を含む): 5806667520

約数和(自身を除く): 4165683000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 73, 84, 98, 105, 120, 140, 146, 147, 168, 196, 210, 219, 245, 280, 292, 294, 365, 392, 420, 438, 490, 511, 584, 588, 730, 735, 840, 876, 980, 1022, 1095, 1176, 1460, 1470, 1533, 1752, 1960, 2044, 2190, 2555, 2920, 2940, 3066, 3577, 3823, 4088, 4380, 5110, 5880, 6132, 7154, 7646, 7665, 8760, 10220, 10731, 11469, 12264, 14308, 15292, 15330, 17885, 19115, 20440, 21462, 22938, 26761, 28616, 30584, 30660, 35770, 38230, 42924, 45876, 53522, 53655, 57345, 61320, 71540, 76460, 80283, 85848, 91752, 107044, 107310, 114690, 133805, 143080, 152920, 160566, 187327, 214088, 214620, 229380, 267610, 279079, 321132, 374654, 401415, 429240, 458760, 535220, 558158, 561981, 642264, 749308, 802830, 837237, 936635, 1070440, 1116316, 1123962, 1395395, 1498616, 1605660, 1674474, 1873270, 1953553, 2232632, 2247924, 2790790, 2809905, 3211320, 3348948, 3746540, 3907106, 4186185, 4495848, 5581580, 5619810, 5860659, 6697896, 7493080, 7814212, 8372370, 9767765, 11163160, 11239620, 11721318, 13674871, 15628424, 16744740, 19535530, 22479240, 23442636, 27349742, 29303295, 33489480, 39071060, 41024613, 46885272, 54699484, 58606590, 68374355, 78142120, 82049226, 109398968, 117213180, 136748710, 164098452, 205123065, 234426360, 273497420, 328196904, 410246130, 546994840, 820492260, 1640984520]

約数ペア:

[(1, 1640984520), (2, 820492260), (3, 546994840), (4, 410246130), (5, 328196904), (6, 273497420), (7, 234426360), (8, 205123065), (10, 164098452), (12, 136748710), (14, 117213180), (15, 109398968), (20, 82049226), (21, 78142120), (24, 68374355), (28, 58606590), (30, 54699484), (35, 46885272), (40, 41024613), (42, 39071060), (49, 33489480), (56, 29303295), (60, 27349742), (70, 23442636), (73, 22479240), (84, 19535530), (98, 16744740), (105, 15628424), (120, 13674871), (140, 11721318), (146, 11239620), (147, 11163160), (168, 9767765), (196, 8372370), (210, 7814212), (219, 7493080), (245, 6697896), (280, 5860659), (292, 5619810), (294, 5581580), (365, 4495848), (392, 4186185), (420, 3907106), (438, 3746540), (490, 3348948), (511, 3211320), (584, 2809905), (588, 2790790), (730, 2247924), (735, 2232632), (840, 1953553), (876, 1873270), (980, 1674474), (1022, 1605660), (1095, 1498616), (1176, 1395395), (1460, 1123962), (1470, 1116316), (1533, 1070440), (1752, 936635), (1960, 837237), (2044, 802830), (2190, 749308), (2555, 642264), (2920, 561981), (2940, 558158), (3066, 535220), (3577, 458760), (3823, 429240), (4088, 401415), (4380, 374654), (5110, 321132), (5880, 279079), (6132, 267610), (7154, 229380), (7646, 214620), (7665, 214088), (8760, 187327), (10220, 160566), (10731, 152920), (11469, 143080), (12264, 133805), (14308, 114690), (15292, 107310), (15330, 107044), (17885, 91752), (19115, 85848), (20440, 80283), (21462, 76460), (22938, 71540), (26761, 61320), (28616, 57345), (30584, 53655), (30660, 53522), (35770, 45876), (38230, 42924)]