66368680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 184135680

約数和(自身を除く): 117767000

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, 191, 238, 280, 292, 340, 365, 382, 476, 511, 584, 595, 680, 730, 764, 952, 955, 1022, 1190, 1241, 1337, 1460, 1528, 1910, 2044, 2380, 2482, 2555, 2674, 2920, 3247, 3820, 4088, 4760, 4964, 5110, 5348, 6205, 6494, 6685, 7640, 8687, 9928, 10220, 10696, 12410, 12988, 13370, 13943, 16235, 17374, 20440, 22729, 24820, 25976, 26740, 27886, 32470, 34748, 43435, 45458, 49640, 53480, 55772, 64940, 69496, 69715, 86870, 90916, 97601, 111544, 113645, 129880, 139430, 173740, 181832, 195202, 227290, 237031, 278860, 347480, 390404, 454580, 474062, 488005, 557720, 780808, 909160, 948124, 976010, 1185155, 1659217, 1896248, 1952020, 2370310, 3318434, 3904040, 4740620, 6636868, 8296085, 9481240, 13273736, 16592170, 33184340, 66368680]

約数ペア:

[(1, 66368680), (2, 33184340), (4, 16592170), (5, 13273736), (7, 9481240), (8, 8296085), (10, 6636868), (14, 4740620), (17, 3904040), (20, 3318434), (28, 2370310), (34, 1952020), (35, 1896248), (40, 1659217), (56, 1185155), (68, 976010), (70, 948124), (73, 909160), (85, 780808), (119, 557720), (136, 488005), (140, 474062), (146, 454580), (170, 390404), (191, 347480), (238, 278860), (280, 237031), (292, 227290), (340, 195202), (365, 181832), (382, 173740), (476, 139430), (511, 129880), (584, 113645), (595, 111544), (680, 97601), (730, 90916), (764, 86870), (952, 69715), (955, 69496), (1022, 64940), (1190, 55772), (1241, 53480), (1337, 49640), (1460, 45458), (1528, 43435), (1910, 34748), (2044, 32470), (2380, 27886), (2482, 26740), (2555, 25976), (2674, 24820), (2920, 22729), (3247, 20440), (3820, 17374), (4088, 16235), (4760, 13943), (4964, 13370), (5110, 12988), (5348, 12410), (6205, 10696), (6494, 10220), (6685, 9928), (7640, 8687)]