249295140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:606

約数の個数: 144

約数和(自身を含む): 806328432

約数和(自身を除く): 557033292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 257, 306, 317, 340, 510, 514, 612, 634, 765, 771, 951, 1020, 1028, 1268, 1285, 1530, 1542, 1585, 1902, 2313, 2570, 2853, 3060, 3084, 3170, 3804, 3855, 4369, 4626, 4755, 5140, 5389, 5706, 6340, 7710, 8738, 9252, 9510, 10778, 11412, 11565, 13107, 14265, 15420, 16167, 17476, 19020, 21556, 21845, 23130, 26214, 26945, 28530, 32334, 39321, 43690, 46260, 48501, 52428, 53890, 57060, 64668, 65535, 78642, 80835, 81469, 87380, 97002, 107780, 131070, 157284, 161670, 162938, 194004, 196605, 242505, 244407, 262140, 323340, 325876, 393210, 407345, 485010, 488814, 733221, 786420, 814690, 970020, 977628, 1222035, 1384973, 1466442, 1629380, 2444070, 2769946, 2932884, 3666105, 4154919, 4888140, 5539892, 6924865, 7332210, 8309838, 12464757, 13849730, 14664420, 16619676, 20774595, 24929514, 27699460, 41549190, 49859028, 62323785, 83098380, 124647570, 249295140]

約数ペア:

[(1, 249295140), (2, 124647570), (3, 83098380), (4, 62323785), (5, 49859028), (6, 41549190), (9, 27699460), (10, 24929514), (12, 20774595), (15, 16619676), (17, 14664420), (18, 13849730), (20, 12464757), (30, 8309838), (34, 7332210), (36, 6924865), (45, 5539892), (51, 4888140), (60, 4154919), (68, 3666105), (85, 2932884), (90, 2769946), (102, 2444070), (153, 1629380), (170, 1466442), (180, 1384973), (204, 1222035), (255, 977628), (257, 970020), (306, 814690), (317, 786420), (340, 733221), (510, 488814), (514, 485010), (612, 407345), (634, 393210), (765, 325876), (771, 323340), (951, 262140), (1020, 244407), (1028, 242505), (1268, 196605), (1285, 194004), (1530, 162938), (1542, 161670), (1585, 157284), (1902, 131070), (2313, 107780), (2570, 97002), (2853, 87380), (3060, 81469), (3084, 80835), (3170, 78642), (3804, 65535), (3855, 64668), (4369, 57060), (4626, 53890), (4755, 52428), (5140, 48501), (5389, 46260), (5706, 43690), (6340, 39321), (7710, 32334), (8738, 28530), (9252, 26945), (9510, 26214), (10778, 23130), (11412, 21845), (11565, 21556), (13107, 19020), (14265, 17476), (15420, 16167)]