1320221360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^3\times {\mathrm{3359}}^1$

素因数の和:3423

約数の個数: 80

約数和(自身を含む): 3262291200

約数和(自身を除く): 1942069840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 3359, 4624, 4913, 5780, 6718, 9826, 11560, 13436, 16795, 19652, 23120, 24565, 26872, 33590, 39304, 49130, 53744, 57103, 67180, 78608, 98260, 114206, 134360, 196520, 228412, 268720, 285515, 393040, 456824, 571030, 913648, 970751, 1142060, 1941502, 2284120, 3883004, 4568240, 4853755, 7766008, 9707510, 15532016, 16502767, 19415020, 33005534, 38830040, 66011068, 77660080, 82513835, 132022136, 165027670, 264044272, 330055340, 660110680, 1320221360]

約数ペア:

[(1, 1320221360), (2, 660110680), (4, 330055340), (5, 264044272), (8, 165027670), (10, 132022136), (16, 82513835), (17, 77660080), (20, 66011068), (34, 38830040), (40, 33005534), (68, 19415020), (80, 16502767), (85, 15532016), (136, 9707510), (170, 7766008), (272, 4853755), (289, 4568240), (340, 3883004), (578, 2284120), (680, 1941502), (1156, 1142060), (1360, 970751), (1445, 913648), (2312, 571030), (2890, 456824), (3359, 393040), (4624, 285515), (4913, 268720), (5780, 228412), (6718, 196520), (9826, 134360), (11560, 114206), (13436, 98260), (16795, 78608), (19652, 67180), (23120, 57103), (24565, 53744), (26872, 49130), (33590, 39304)]