178758468

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2031

約数の個数: 144

約数和(自身を含む): 571112640

約数和(自身を除く): 392354172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 84, 98, 102, 108, 119, 126, 147, 153, 189, 196, 204, 238, 252, 294, 306, 357, 378, 441, 459, 476, 588, 612, 714, 756, 833, 882, 918, 1071, 1323, 1428, 1666, 1764, 1836, 1987, 2142, 2499, 2646, 3213, 3332, 3974, 4284, 4998, 5292, 5961, 6426, 7497, 7948, 9996, 11922, 12852, 13909, 14994, 17883, 22491, 23844, 27818, 29988, 33779, 35766, 41727, 44982, 53649, 55636, 67558, 71532, 83454, 89964, 97363, 101337, 107298, 125181, 135116, 166908, 194726, 202674, 214596, 236453, 250362, 292089, 304011, 375543, 389452, 405348, 472906, 500724, 584178, 608022, 709359, 751086, 876267, 912033, 945812, 1168356, 1216044, 1418718, 1502172, 1655171, 1752534, 1824066, 2128077, 2628801, 2837436, 3310342, 3505068, 3648132, 4256154, 4965513, 5257602, 6384231, 6620684, 8512308, 9931026, 10515204, 12768462, 14896539, 19862052, 25536924, 29793078, 44689617, 59586156, 89379234, 178758468]

約数ペア:

[(1, 178758468), (2, 89379234), (3, 59586156), (4, 44689617), (6, 29793078), (7, 25536924), (9, 19862052), (12, 14896539), (14, 12768462), (17, 10515204), (18, 9931026), (21, 8512308), (27, 6620684), (28, 6384231), (34, 5257602), (36, 4965513), (42, 4256154), (49, 3648132), (51, 3505068), (54, 3310342), (63, 2837436), (68, 2628801), (84, 2128077), (98, 1824066), (102, 1752534), (108, 1655171), (119, 1502172), (126, 1418718), (147, 1216044), (153, 1168356), (189, 945812), (196, 912033), (204, 876267), (238, 751086), (252, 709359), (294, 608022), (306, 584178), (357, 500724), (378, 472906), (441, 405348), (459, 389452), (476, 375543), (588, 304011), (612, 292089), (714, 250362), (756, 236453), (833, 214596), (882, 202674), (918, 194726), (1071, 166908), (1323, 135116), (1428, 125181), (1666, 107298), (1764, 101337), (1836, 97363), (1987, 89964), (2142, 83454), (2499, 71532), (2646, 67558), (3213, 55636), (3332, 53649), (3974, 44982), (4284, 41727), (4998, 35766), (5292, 33779), (5961, 29988), (6426, 27818), (7497, 23844), (7948, 22491), (9996, 17883), (11922, 14994), (12852, 13909)]