168399560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 458956800

約数和(自身を除く): 290557240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 79, 92, 115, 140, 158, 161, 184, 230, 280, 316, 322, 331, 395, 460, 553, 632, 644, 662, 790, 805, 920, 1106, 1288, 1324, 1580, 1610, 1655, 1817, 2212, 2317, 2648, 2765, 3160, 3220, 3310, 3634, 4424, 4634, 5530, 6440, 6620, 7268, 7613, 9085, 9268, 11060, 11585, 12719, 13240, 14536, 15226, 18170, 18536, 22120, 23170, 25438, 26149, 30452, 36340, 38065, 46340, 50876, 52298, 53291, 60904, 63595, 72680, 76130, 92680, 101752, 104596, 106582, 127190, 130745, 152260, 183043, 209192, 213164, 254380, 261490, 266455, 304520, 366086, 426328, 508760, 522980, 532910, 601427, 732172, 915215, 1045960, 1065820, 1202854, 1464344, 1830430, 2131640, 2405708, 3007135, 3660860, 4209989, 4811416, 6014270, 7321720, 8419978, 12028540, 16839956, 21049945, 24057080, 33679912, 42099890, 84199780, 168399560]

約数ペア:

[(1, 168399560), (2, 84199780), (4, 42099890), (5, 33679912), (7, 24057080), (8, 21049945), (10, 16839956), (14, 12028540), (20, 8419978), (23, 7321720), (28, 6014270), (35, 4811416), (40, 4209989), (46, 3660860), (56, 3007135), (70, 2405708), (79, 2131640), (92, 1830430), (115, 1464344), (140, 1202854), (158, 1065820), (161, 1045960), (184, 915215), (230, 732172), (280, 601427), (316, 532910), (322, 522980), (331, 508760), (395, 426328), (460, 366086), (553, 304520), (632, 266455), (644, 261490), (662, 254380), (790, 213164), (805, 209192), (920, 183043), (1106, 152260), (1288, 130745), (1324, 127190), (1580, 106582), (1610, 104596), (1655, 101752), (1817, 92680), (2212, 76130), (2317, 72680), (2648, 63595), (2765, 60904), (3160, 53291), (3220, 52298), (3310, 50876), (3634, 46340), (4424, 38065), (4634, 36340), (5530, 30452), (6440, 26149), (6620, 25438), (7268, 23170), (7613, 22120), (9085, 18536), (9268, 18170), (11060, 15226), (11585, 14536), (12719, 13240)]