61530140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 158505984

約数和(自身を除く): 96975844

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 103, 119, 140, 170, 206, 238, 251, 340, 412, 476, 502, 515, 595, 721, 1004, 1030, 1190, 1255, 1442, 1751, 1757, 2060, 2380, 2510, 2884, 3502, 3514, 3605, 4267, 5020, 7004, 7028, 7210, 8534, 8755, 8785, 12257, 14420, 17068, 17510, 17570, 21335, 24514, 25853, 29869, 35020, 35140, 42670, 49028, 51706, 59738, 61285, 85340, 103412, 119476, 122570, 129265, 149345, 180971, 245140, 258530, 298690, 361942, 439501, 517060, 597380, 723884, 879002, 904855, 1758004, 1809710, 2197505, 3076507, 3619420, 4395010, 6153014, 8790020, 12306028, 15382535, 30765070, 61530140]

約数ペア:

[(1, 61530140), (2, 30765070), (4, 15382535), (5, 12306028), (7, 8790020), (10, 6153014), (14, 4395010), (17, 3619420), (20, 3076507), (28, 2197505), (34, 1809710), (35, 1758004), (68, 904855), (70, 879002), (85, 723884), (103, 597380), (119, 517060), (140, 439501), (170, 361942), (206, 298690), (238, 258530), (251, 245140), (340, 180971), (412, 149345), (476, 129265), (502, 122570), (515, 119476), (595, 103412), (721, 85340), (1004, 61285), (1030, 59738), (1190, 51706), (1255, 49028), (1442, 42670), (1751, 35140), (1757, 35020), (2060, 29869), (2380, 25853), (2510, 24514), (2884, 21335), (3502, 17570), (3514, 17510), (3605, 17068), (4267, 14420), (5020, 12257), (7004, 8785), (7028, 8755), (7210, 8534)]