121270520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 335664000

約数和(自身を除く): 214393480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 73, 85, 119, 136, 140, 146, 170, 238, 280, 292, 340, 349, 365, 476, 511, 584, 595, 680, 698, 730, 952, 1022, 1190, 1241, 1396, 1460, 1745, 2044, 2380, 2443, 2482, 2555, 2792, 2920, 3490, 4088, 4760, 4886, 4964, 5110, 5933, 6205, 6980, 8687, 9772, 9928, 10220, 11866, 12215, 12410, 13960, 17374, 19544, 20440, 23732, 24430, 24820, 25477, 29665, 34748, 41531, 43435, 47464, 48860, 49640, 50954, 59330, 69496, 83062, 86870, 97720, 101908, 118660, 127385, 166124, 173740, 178339, 203816, 207655, 237320, 254770, 332248, 347480, 356678, 415310, 433109, 509540, 713356, 830620, 866218, 891695, 1019080, 1426712, 1661240, 1732436, 1783390, 2165545, 3031763, 3464872, 3566780, 4331090, 6063526, 7133560, 8662180, 12127052, 15158815, 17324360, 24254104, 30317630, 60635260, 121270520]

約数ペア:

[(1, 121270520), (2, 60635260), (4, 30317630), (5, 24254104), (7, 17324360), (8, 15158815), (10, 12127052), (14, 8662180), (17, 7133560), (20, 6063526), (28, 4331090), (34, 3566780), (35, 3464872), (40, 3031763), (56, 2165545), (68, 1783390), (70, 1732436), (73, 1661240), (85, 1426712), (119, 1019080), (136, 891695), (140, 866218), (146, 830620), (170, 713356), (238, 509540), (280, 433109), (292, 415310), (340, 356678), (349, 347480), (365, 332248), (476, 254770), (511, 237320), (584, 207655), (595, 203816), (680, 178339), (698, 173740), (730, 166124), (952, 127385), (1022, 118660), (1190, 101908), (1241, 97720), (1396, 86870), (1460, 83062), (1745, 69496), (2044, 59330), (2380, 50954), (2443, 49640), (2482, 48860), (2555, 47464), (2792, 43435), (2920, 41531), (3490, 34748), (4088, 29665), (4760, 25477), (4886, 24820), (4964, 24430), (5110, 23732), (5933, 20440), (6205, 19544), (6980, 17374), (8687, 13960), (9772, 12410), (9928, 12215), (10220, 11866)]