665218880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 224

約数和(自身を含む): 1790760960

約数和(自身を除く): 1125542080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 67, 71, 76, 80, 92, 95, 115, 134, 142, 152, 160, 184, 190, 230, 268, 284, 304, 320, 335, 355, 368, 380, 437, 460, 536, 568, 608, 670, 710, 736, 760, 874, 920, 1072, 1136, 1216, 1273, 1340, 1349, 1420, 1472, 1520, 1541, 1633, 1748, 1840, 2144, 2185, 2272, 2546, 2680, 2698, 2840, 3040, 3082, 3266, 3496, 3680, 4288, 4370, 4544, 4757, 5092, 5360, 5396, 5680, 6080, 6164, 6365, 6532, 6745, 6992, 7360, 7705, 8165, 8740, 9514, 10184, 10720, 10792, 11360, 12328, 12730, 13064, 13490, 13984, 15410, 16330, 17480, 19028, 20368, 21440, 21584, 22720, 23785, 24656, 25460, 26128, 26980, 27968, 29279, 30820, 31027, 32660, 34960, 38056, 40736, 43168, 47570, 49312, 50920, 52256, 53960, 58558, 61640, 62054, 65320, 69920, 76112, 81472, 86336, 90383, 95140, 98624, 101840, 104512, 107920, 109411, 117116, 123280, 124108, 130640, 139840, 146395, 152224, 155135, 180766, 190280, 203680, 215840, 218822, 234232, 246560, 248216, 261280, 292790, 304448, 310270, 361532, 380560, 407360, 431680, 437644, 451915, 468464, 493120, 496432, 522560, 547055, 585580, 620540, 723064, 761120, 875288, 903830, 936928, 992864, 1094110, 1171160, 1241080, 1446128, 1522240, 1750576, 1807660, 1873856, 1985728, 2078809, 2188220, 2342320, 2482160, 2892256, 3501152, 3615320, 4157618, 4376440, 4684640, 4964320, 5784512, 7002304, 7230640, 8315236, 8752880, 9369280, 9928640, 10394045, 14461280, 16630472, 17505760, 20788090, 28922560, 33260944, 35011520, 41576180, 66521888, 83152360, 133043776, 166304720, 332609440, 665218880]

約数ペア:

[(1, 665218880), (2, 332609440), (4, 166304720), (5, 133043776), (8, 83152360), (10, 66521888), (16, 41576180), (19, 35011520), (20, 33260944), (23, 28922560), (32, 20788090), (38, 17505760), (40, 16630472), (46, 14461280), (64, 10394045), (67, 9928640), (71, 9369280), (76, 8752880), (80, 8315236), (92, 7230640), (95, 7002304), (115, 5784512), (134, 4964320), (142, 4684640), (152, 4376440), (160, 4157618), (184, 3615320), (190, 3501152), (230, 2892256), (268, 2482160), (284, 2342320), (304, 2188220), (320, 2078809), (335, 1985728), (355, 1873856), (368, 1807660), (380, 1750576), (437, 1522240), (460, 1446128), (536, 1241080), (568, 1171160), (608, 1094110), (670, 992864), (710, 936928), (736, 903830), (760, 875288), (874, 761120), (920, 723064), (1072, 620540), (1136, 585580), (1216, 547055), (1273, 522560), (1340, 496432), (1349, 493120), (1420, 468464), (1472, 451915), (1520, 437644), (1541, 431680), (1633, 407360), (1748, 380560), (1840, 361532), (2144, 310270), (2185, 304448), (2272, 292790), (2546, 261280), (2680, 248216), (2698, 246560), (2840, 234232), (3040, 218822), (3082, 215840), (3266, 203680), (3496, 190280), (3680, 180766), (4288, 155135), (4370, 152224), (4544, 146395), (4757, 139840), (5092, 130640), (5360, 124108), (5396, 123280), (5680, 117116), (6080, 109411), (6164, 107920), (6365, 104512), (6532, 101840), (6745, 98624), (6992, 95140), (7360, 90383), (7705, 86336), (8165, 81472), (8740, 76112), (9514, 69920), (10184, 65320), (10720, 62054), (10792, 61640), (11360, 58558), (12328, 53960), (12730, 52256), (13064, 50920), (13490, 49312), (13984, 47570), (15410, 43168), (16330, 40736), (17480, 38056), (19028, 34960), (20368, 32660), (21440, 31027), (21584, 30820), (22720, 29279), (23785, 27968), (24656, 26980), (25460, 26128)]