2981205120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37871}}^1$

素因数の和:37934

約数の個数: 128

約数和(自身を含む): 9734618880

約数和(自身を除く): 6753413760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 384, 410, 480, 492, 615, 640, 656, 820, 960, 984, 1230, 1312, 1640, 1920, 1968, 2460, 2624, 3280, 3936, 4920, 5248, 6560, 7872, 9840, 13120, 15744, 19680, 26240, 37871, 39360, 75742, 78720, 113613, 151484, 189355, 227226, 302968, 378710, 454452, 568065, 605936, 757420, 908904, 1136130, 1211872, 1514840, 1552711, 1817808, 2272260, 2423744, 3029680, 3105422, 3635616, 4544520, 4658133, 4847488, 6059360, 6210844, 7271232, 7763555, 9089040, 9316266, 12118720, 12421688, 14542464, 15527110, 18178080, 18632532, 23290665, 24237440, 24843376, 31054220, 36356160, 37265064, 46581330, 49686752, 62108440, 72712320, 74530128, 93162660, 99373504, 124216880, 149060256, 186325320, 198747008, 248433760, 298120512, 372650640, 496867520, 596241024, 745301280, 993735040, 1490602560, 2981205120]

約数ペア:

[(1, 2981205120), (2, 1490602560), (3, 993735040), (4, 745301280), (5, 596241024), (6, 496867520), (8, 372650640), (10, 298120512), (12, 248433760), (15, 198747008), (16, 186325320), (20, 149060256), (24, 124216880), (30, 99373504), (32, 93162660), (40, 74530128), (41, 72712320), (48, 62108440), (60, 49686752), (64, 46581330), (80, 37265064), (82, 36356160), (96, 31054220), (120, 24843376), (123, 24237440), (128, 23290665), (160, 18632532), (164, 18178080), (192, 15527110), (205, 14542464), (240, 12421688), (246, 12118720), (320, 9316266), (328, 9089040), (384, 7763555), (410, 7271232), (480, 6210844), (492, 6059360), (615, 4847488), (640, 4658133), (656, 4544520), (820, 3635616), (960, 3105422), (984, 3029680), (1230, 2423744), (1312, 2272260), (1640, 1817808), (1920, 1552711), (1968, 1514840), (2460, 1211872), (2624, 1136130), (3280, 908904), (3936, 757420), (4920, 605936), (5248, 568065), (6560, 454452), (7872, 378710), (9840, 302968), (13120, 227226), (15744, 189355), (19680, 151484), (26240, 113613), (37871, 78720), (39360, 75742)]