68514880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:516

約数の個数: 112

約数和(自身を含む): 189463680

約数和(自身を除く): 120948800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 320, 365, 419, 448, 511, 560, 584, 730, 838, 1022, 1120, 1168, 1460, 1676, 2044, 2095, 2240, 2336, 2555, 2920, 2933, 3352, 4088, 4190, 4672, 5110, 5840, 5866, 6704, 8176, 8380, 10220, 11680, 11732, 13408, 14665, 16352, 16760, 20440, 23360, 23464, 26816, 29330, 30587, 32704, 33520, 40880, 46928, 58660, 61174, 67040, 81760, 93856, 117320, 122348, 134080, 152935, 163520, 187712, 214109, 234640, 244696, 305870, 428218, 469280, 489392, 611740, 856436, 938560, 978784, 1070545, 1223480, 1712872, 1957568, 2141090, 2446960, 3425744, 4282180, 4893920, 6851488, 8564360, 9787840, 13702976, 17128720, 34257440, 68514880]

約数ペア:

[(1, 68514880), (2, 34257440), (4, 17128720), (5, 13702976), (7, 9787840), (8, 8564360), (10, 6851488), (14, 4893920), (16, 4282180), (20, 3425744), (28, 2446960), (32, 2141090), (35, 1957568), (40, 1712872), (56, 1223480), (64, 1070545), (70, 978784), (73, 938560), (80, 856436), (112, 611740), (140, 489392), (146, 469280), (160, 428218), (224, 305870), (280, 244696), (292, 234640), (320, 214109), (365, 187712), (419, 163520), (448, 152935), (511, 134080), (560, 122348), (584, 117320), (730, 93856), (838, 81760), (1022, 67040), (1120, 61174), (1168, 58660), (1460, 46928), (1676, 40880), (2044, 33520), (2095, 32704), (2240, 30587), (2336, 29330), (2555, 26816), (2920, 23464), (2933, 23360), (3352, 20440), (4088, 16760), (4190, 16352), (4672, 14665), (5110, 13408), (5840, 11732), (5866, 11680), (6704, 10220), (8176, 8380)]