12856629520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1\times {\mathrm{419}}^1$

素因数の和:945

約数の個数: 160

約数和(自身を含む): 34560288000

約数和(自身を除く): 21703658480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 349, 419, 560, 628, 698, 785, 838, 1099, 1256, 1396, 1570, 1676, 1745, 2095, 2198, 2443, 2512, 2792, 2933, 3140, 3352, 3490, 4190, 4396, 4886, 5495, 5584, 5866, 6280, 6704, 6980, 8380, 8792, 9772, 10990, 11732, 12215, 12560, 13960, 14665, 16760, 17584, 19544, 21980, 23464, 24430, 27920, 29330, 33520, 39088, 43960, 46928, 48860, 54793, 58660, 65783, 87920, 97720, 109586, 117320, 131566, 146231, 195440, 219172, 234640, 263132, 273965, 292462, 328915, 383551, 438344, 460481, 526264, 547930, 584924, 657830, 731155, 767102, 876688, 920962, 1023617, 1052528, 1095860, 1169848, 1315660, 1462310, 1534204, 1841924, 1917755, 2047234, 2191720, 2302405, 2339696, 2631320, 2924620, 3068408, 3683848, 3835510, 4094468, 4383440, 4604810, 5118085, 5262640, 5849240, 6136816, 7367696, 7671020, 8188936, 9209620, 10236170, 11698480, 15342040, 16377872, 18419240, 20472340, 22958267, 30684080, 36838480, 40944680, 45916534, 81889360, 91833068, 114791335, 160707869, 183666136, 229582670, 321415738, 367332272, 459165340, 642831476, 803539345, 918330680, 1285662952, 1607078690, 1836661360, 2571325904, 3214157380, 6428314760, 12856629520]

約数ペア:

[(1, 12856629520), (2, 6428314760), (4, 3214157380), (5, 2571325904), (7, 1836661360), (8, 1607078690), (10, 1285662952), (14, 918330680), (16, 803539345), (20, 642831476), (28, 459165340), (35, 367332272), (40, 321415738), (56, 229582670), (70, 183666136), (80, 160707869), (112, 114791335), (140, 91833068), (157, 81889360), (280, 45916534), (314, 40944680), (349, 36838480), (419, 30684080), (560, 22958267), (628, 20472340), (698, 18419240), (785, 16377872), (838, 15342040), (1099, 11698480), (1256, 10236170), (1396, 9209620), (1570, 8188936), (1676, 7671020), (1745, 7367696), (2095, 6136816), (2198, 5849240), (2443, 5262640), (2512, 5118085), (2792, 4604810), (2933, 4383440), (3140, 4094468), (3352, 3835510), (3490, 3683848), (4190, 3068408), (4396, 2924620), (4886, 2631320), (5495, 2339696), (5584, 2302405), (5866, 2191720), (6280, 2047234), (6704, 1917755), (6980, 1841924), (8380, 1534204), (8792, 1462310), (9772, 1315660), (10990, 1169848), (11732, 1095860), (12215, 1052528), (12560, 1023617), (13960, 920962), (14665, 876688), (16760, 767102), (17584, 731155), (19544, 657830), (21980, 584924), (23464, 547930), (24430, 526264), (27920, 460481), (29330, 438344), (33520, 383551), (39088, 328915), (43960, 292462), (46928, 273965), (48860, 263132), (54793, 234640), (58660, 219172), (65783, 195440), (87920, 146231), (97720, 131566), (109586, 117320)]