78628740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 235073664

約数和(自身を除く): 156444924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 157, 170, 204, 255, 314, 340, 471, 491, 510, 628, 785, 942, 982, 1020, 1473, 1570, 1884, 1964, 2355, 2455, 2669, 2946, 3140, 4710, 4910, 5338, 5892, 7365, 8007, 8347, 9420, 9820, 10676, 13345, 14730, 16014, 16694, 25041, 26690, 29460, 32028, 33388, 40035, 41735, 50082, 53380, 77087, 80070, 83470, 100164, 125205, 154174, 160140, 166940, 231261, 250410, 308348, 385435, 462522, 500820, 770870, 925044, 1156305, 1310479, 1541740, 2312610, 2620958, 3931437, 4625220, 5241916, 6552395, 7862874, 13104790, 15725748, 19657185, 26209580, 39314370, 78628740]

約数ペア:

[(1, 78628740), (2, 39314370), (3, 26209580), (4, 19657185), (5, 15725748), (6, 13104790), (10, 7862874), (12, 6552395), (15, 5241916), (17, 4625220), (20, 3931437), (30, 2620958), (34, 2312610), (51, 1541740), (60, 1310479), (68, 1156305), (85, 925044), (102, 770870), (157, 500820), (170, 462522), (204, 385435), (255, 308348), (314, 250410), (340, 231261), (471, 166940), (491, 160140), (510, 154174), (628, 125205), (785, 100164), (942, 83470), (982, 80070), (1020, 77087), (1473, 53380), (1570, 50082), (1884, 41735), (1964, 40035), (2355, 33388), (2455, 32028), (2669, 29460), (2946, 26690), (3140, 25041), (4710, 16694), (4910, 16014), (5338, 14730), (5892, 13345), (7365, 10676), (8007, 9820), (8347, 9420)]