15985565440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{23431}}^1$

素因数の和:23506

約数の個数: 144

約数和(自身を含む): 42243397056

約数和(自身を除く): 26257831616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 256, 260, 320, 328, 410, 416, 520, 533, 640, 656, 820, 832, 1040, 1066, 1280, 1312, 1640, 1664, 2080, 2132, 2624, 2665, 3280, 3328, 4160, 4264, 5248, 5330, 6560, 8320, 8528, 10496, 10660, 13120, 16640, 17056, 21320, 23431, 26240, 34112, 42640, 46862, 52480, 68224, 85280, 93724, 117155, 136448, 170560, 187448, 234310, 304603, 341120, 374896, 468620, 609206, 682240, 749792, 937240, 960671, 1218412, 1499584, 1523015, 1874480, 1921342, 2436824, 2999168, 3046030, 3748960, 3842684, 4803355, 4873648, 5998336, 6092060, 7497920, 7685368, 9606710, 9747296, 12184120, 12488723, 14995840, 15370736, 19213420, 19494592, 24368240, 24977446, 29991680, 30741472, 38426840, 38989184, 48736480, 49954892, 61482944, 62443615, 76853680, 77978368, 97472960, 99909784, 122965888, 124887230, 153707360, 194945920, 199819568, 245931776, 249774460, 307414720, 389891840, 399639136, 499548920, 614829440, 799278272, 999097840, 1229658880, 1598556544, 1998195680, 3197113088, 3996391360, 7992782720, 15985565440]

約数ペア:

[(1, 15985565440), (2, 7992782720), (4, 3996391360), (5, 3197113088), (8, 1998195680), (10, 1598556544), (13, 1229658880), (16, 999097840), (20, 799278272), (26, 614829440), (32, 499548920), (40, 399639136), (41, 389891840), (52, 307414720), (64, 249774460), (65, 245931776), (80, 199819568), (82, 194945920), (104, 153707360), (128, 124887230), (130, 122965888), (160, 99909784), (164, 97472960), (205, 77978368), (208, 76853680), (256, 62443615), (260, 61482944), (320, 49954892), (328, 48736480), (410, 38989184), (416, 38426840), (520, 30741472), (533, 29991680), (640, 24977446), (656, 24368240), (820, 19494592), (832, 19213420), (1040, 15370736), (1066, 14995840), (1280, 12488723), (1312, 12184120), (1640, 9747296), (1664, 9606710), (2080, 7685368), (2132, 7497920), (2624, 6092060), (2665, 5998336), (3280, 4873648), (3328, 4803355), (4160, 3842684), (4264, 3748960), (5248, 3046030), (5330, 2999168), (6560, 2436824), (8320, 1921342), (8528, 1874480), (10496, 1523015), (10660, 1499584), (13120, 1218412), (16640, 960671), (17056, 937240), (21320, 749792), (23431, 682240), (26240, 609206), (34112, 468620), (42640, 374896), (46862, 341120), (52480, 304603), (68224, 234310), (85280, 187448), (93724, 170560), (117155, 136448)]