320214125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 560701440

約数和(自身を除く): 240487315

約数列:

[1, 5, 7, 11, 17, 19, 25, 35, 55, 77, 85, 95, 103, 119, 125, 133, 175, 187, 209, 275, 323, 385, 425, 475, 515, 595, 665, 721, 875, 935, 1045, 1133, 1309, 1375, 1463, 1615, 1751, 1925, 1957, 2125, 2261, 2375, 2575, 2975, 3325, 3553, 3605, 4675, 5225, 5665, 6545, 7315, 7931, 8075, 8755, 9625, 9785, 11305, 12257, 12875, 13699, 14875, 16625, 17765, 18025, 19261, 21527, 23375, 24871, 26125, 28325, 32725, 33269, 36575, 39655, 40375, 43775, 48925, 56525, 61285, 68495, 88825, 90125, 96305, 107635, 124355, 134827, 141625, 150689, 163625, 166345, 182875, 198275, 218875, 232883, 244625, 282625, 306425, 342475, 365959, 444125, 481525, 538175, 621775, 674135, 753445, 831725, 991375, 1164415, 1532125, 1712375, 1829795, 2407625, 2561713, 2690875, 3108875, 3370675, 3767225, 4158625, 5822075, 9148975, 12808565, 16853375, 18836125, 29110375, 45744875, 64042825, 320214125]

約数ペア:

[(1, 320214125), (5, 64042825), (7, 45744875), (11, 29110375), (17, 18836125), (19, 16853375), (25, 12808565), (35, 9148975), (55, 5822075), (77, 4158625), (85, 3767225), (95, 3370675), (103, 3108875), (119, 2690875), (125, 2561713), (133, 2407625), (175, 1829795), (187, 1712375), (209, 1532125), (275, 1164415), (323, 991375), (385, 831725), (425, 753445), (475, 674135), (515, 621775), (595, 538175), (665, 481525), (721, 444125), (875, 365959), (935, 342475), (1045, 306425), (1133, 282625), (1309, 244625), (1375, 232883), (1463, 218875), (1615, 198275), (1751, 182875), (1925, 166345), (1957, 163625), (2125, 150689), (2261, 141625), (2375, 134827), (2575, 124355), (2975, 107635), (3325, 96305), (3553, 90125), (3605, 88825), (4675, 68495), (5225, 61285), (5665, 56525), (6545, 48925), (7315, 43775), (7931, 40375), (8075, 39655), (8755, 36575), (9625, 33269), (9785, 32725), (11305, 28325), (12257, 26125), (12875, 24871), (13699, 23375), (14875, 21527), (16625, 19261), (17765, 18025)]