90195280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 160

約数和(自身を含む): 258912000

約数和(自身を除く): 168716720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 173, 190, 196, 245, 266, 280, 304, 343, 346, 380, 392, 490, 532, 560, 665, 686, 692, 760, 784, 865, 931, 980, 1064, 1211, 1330, 1372, 1384, 1520, 1715, 1730, 1862, 1960, 2128, 2422, 2660, 2744, 2768, 3287, 3430, 3460, 3724, 3920, 4655, 4844, 5320, 5488, 6055, 6517, 6574, 6860, 6920, 7448, 8477, 9310, 9688, 10640, 12110, 13034, 13148, 13720, 13840, 14896, 16435, 16954, 18620, 19376, 23009, 24220, 26068, 26296, 27440, 32585, 32870, 33908, 37240, 42385, 46018, 48440, 52136, 52592, 59339, 65170, 65740, 67816, 74480, 84770, 92036, 96880, 104272, 115045, 118678, 130340, 131480, 135632, 161063, 169540, 184072, 230090, 237356, 260680, 262960, 296695, 322126, 339080, 368144, 460180, 474712, 521360, 593390, 644252, 678160, 805315, 920360, 949424, 1127441, 1186780, 1288504, 1610630, 1840720, 2254882, 2373560, 2577008, 3221260, 4509764, 4747120, 5637205, 6442520, 9019528, 11274410, 12885040, 18039056, 22548820, 45097640, 90195280]

約数ペア:

[(1, 90195280), (2, 45097640), (4, 22548820), (5, 18039056), (7, 12885040), (8, 11274410), (10, 9019528), (14, 6442520), (16, 5637205), (19, 4747120), (20, 4509764), (28, 3221260), (35, 2577008), (38, 2373560), (40, 2254882), (49, 1840720), (56, 1610630), (70, 1288504), (76, 1186780), (80, 1127441), (95, 949424), (98, 920360), (112, 805315), (133, 678160), (140, 644252), (152, 593390), (173, 521360), (190, 474712), (196, 460180), (245, 368144), (266, 339080), (280, 322126), (304, 296695), (343, 262960), (346, 260680), (380, 237356), (392, 230090), (490, 184072), (532, 169540), (560, 161063), (665, 135632), (686, 131480), (692, 130340), (760, 118678), (784, 115045), (865, 104272), (931, 96880), (980, 92036), (1064, 84770), (1211, 74480), (1330, 67816), (1372, 65740), (1384, 65170), (1520, 59339), (1715, 52592), (1730, 52136), (1862, 48440), (1960, 46018), (2128, 42385), (2422, 37240), (2660, 33908), (2744, 32870), (2768, 32585), (3287, 27440), (3430, 26296), (3460, 26068), (3724, 24220), (3920, 23009), (4655, 19376), (4844, 18620), (5320, 16954), (5488, 16435), (6055, 14896), (6517, 13840), (6574, 13720), (6860, 13148), (6920, 13034), (7448, 12110), (8477, 10640), (9310, 9688)]