1284668840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{352931}}^1$

素因数の和:352962

約数の個数: 64

約数和(自身を含む): 3557554560

約数和(自身を除く): 2272885720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 352931, 705862, 1411724, 1764655, 2470517, 2823448, 3529310, 4588103, 4941034, 7058620, 9176206, 9882068, 12352585, 14117240, 18352412, 19764136, 22940515, 24705170, 32116721, 36704824, 45881030, 49410340, 64233442, 91762060, 98820680, 128466884, 160583605, 183524120, 256933768, 321167210, 642334420, 1284668840]

約数ペア:

[(1, 1284668840), (2, 642334420), (4, 321167210), (5, 256933768), (7, 183524120), (8, 160583605), (10, 128466884), (13, 98820680), (14, 91762060), (20, 64233442), (26, 49410340), (28, 45881030), (35, 36704824), (40, 32116721), (52, 24705170), (56, 22940515), (65, 19764136), (70, 18352412), (91, 14117240), (104, 12352585), (130, 9882068), (140, 9176206), (182, 7058620), (260, 4941034), (280, 4588103), (364, 3529310), (455, 2823448), (520, 2470517), (728, 1764655), (910, 1411724), (1820, 705862), (3640, 352931)]