2155706080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:813

約数の個数: 192

約数和(自身を含む): 5945607360

約数和(自身を除く): 3789901280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 109, 110, 136, 160, 170, 176, 187, 218, 220, 272, 340, 352, 374, 436, 440, 544, 545, 661, 680, 748, 872, 880, 935, 1090, 1199, 1322, 1360, 1496, 1744, 1760, 1853, 1870, 2180, 2398, 2644, 2720, 2992, 3305, 3488, 3706, 3740, 4360, 4796, 5288, 5984, 5995, 6610, 7271, 7412, 7480, 8720, 9265, 9592, 10576, 11237, 11990, 13220, 14542, 14824, 14960, 17440, 18530, 19184, 20383, 21152, 22474, 23980, 26440, 29084, 29648, 29920, 36355, 37060, 38368, 40766, 44948, 47960, 52880, 56185, 58168, 59296, 72049, 72710, 74120, 81532, 89896, 95920, 101915, 105760, 112370, 116336, 123607, 144098, 145420, 148240, 163064, 179792, 191840, 203830, 224740, 232672, 247214, 288196, 290840, 296480, 326128, 359584, 360245, 407660, 449480, 494428, 576392, 581680, 618035, 652256, 720490, 792539, 815320, 898960, 988856, 1152784, 1163360, 1224833, 1236070, 1440980, 1585078, 1630640, 1797920, 1977712, 2305568, 2449666, 2472140, 2881960, 3170156, 3261280, 3955424, 3962695, 4899332, 4944280, 5763920, 6124165, 6340312, 7925390, 9798664, 9888560, 11527840, 12248330, 12680624, 13473163, 15850780, 19597328, 19777120, 24496660, 25361248, 26946326, 31701560, 39194656, 48993320, 53892652, 63403120, 67365815, 97986640, 107785304, 126806240, 134731630, 195973280, 215570608, 269463260, 431141216, 538926520, 1077853040, 2155706080]

約数ペア:

[(1, 2155706080), (2, 1077853040), (4, 538926520), (5, 431141216), (8, 269463260), (10, 215570608), (11, 195973280), (16, 134731630), (17, 126806240), (20, 107785304), (22, 97986640), (32, 67365815), (34, 63403120), (40, 53892652), (44, 48993320), (55, 39194656), (68, 31701560), (80, 26946326), (85, 25361248), (88, 24496660), (109, 19777120), (110, 19597328), (136, 15850780), (160, 13473163), (170, 12680624), (176, 12248330), (187, 11527840), (218, 9888560), (220, 9798664), (272, 7925390), (340, 6340312), (352, 6124165), (374, 5763920), (436, 4944280), (440, 4899332), (544, 3962695), (545, 3955424), (661, 3261280), (680, 3170156), (748, 2881960), (872, 2472140), (880, 2449666), (935, 2305568), (1090, 1977712), (1199, 1797920), (1322, 1630640), (1360, 1585078), (1496, 1440980), (1744, 1236070), (1760, 1224833), (1853, 1163360), (1870, 1152784), (2180, 988856), (2398, 898960), (2644, 815320), (2720, 792539), (2992, 720490), (3305, 652256), (3488, 618035), (3706, 581680), (3740, 576392), (4360, 494428), (4796, 449480), (5288, 407660), (5984, 360245), (5995, 359584), (6610, 326128), (7271, 296480), (7412, 290840), (7480, 288196), (8720, 247214), (9265, 232672), (9592, 224740), (10576, 203830), (11237, 191840), (11990, 179792), (13220, 163064), (14542, 148240), (14824, 145420), (14960, 144098), (17440, 123607), (18530, 116336), (19184, 112370), (20383, 105760), (21152, 101915), (22474, 95920), (23980, 89896), (26440, 81532), (29084, 74120), (29648, 72710), (29920, 72049), (36355, 59296), (37060, 58168), (38368, 56185), (40766, 52880), (44948, 47960)]