91647920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12589}}^1$

素因数の和:12622

約数の個数: 80

約数和(自身を含む): 262274880

約数和(自身を除く): 170626960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 12589, 25178, 50356, 62945, 88123, 100712, 125890, 163657, 176246, 201424, 251780, 327314, 352492, 440615, 503560, 654628, 704984, 818285, 881230, 1007120, 1145599, 1309256, 1409968, 1636570, 1762460, 2291198, 2618512, 3273140, 3524920, 4582396, 5727995, 6546280, 7049840, 9164792, 11455990, 13092560, 18329584, 22911980, 45823960, 91647920]

約数ペア:

[(1, 91647920), (2, 45823960), (4, 22911980), (5, 18329584), (7, 13092560), (8, 11455990), (10, 9164792), (13, 7049840), (14, 6546280), (16, 5727995), (20, 4582396), (26, 3524920), (28, 3273140), (35, 2618512), (40, 2291198), (52, 1762460), (56, 1636570), (65, 1409968), (70, 1309256), (80, 1145599), (91, 1007120), (104, 881230), (112, 818285), (130, 704984), (140, 654628), (182, 503560), (208, 440615), (260, 352492), (280, 327314), (364, 251780), (455, 201424), (520, 176246), (560, 163657), (728, 125890), (910, 100712), (1040, 88123), (1456, 62945), (1820, 50356), (3640, 25178), (7280, 12589)]