7655440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 20342448

約数和(自身を除く): 12687008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 433, 442, 520, 680, 866, 884, 1040, 1105, 1360, 1732, 1768, 2165, 2210, 3464, 3536, 4330, 4420, 5629, 6928, 7361, 8660, 8840, 11258, 14722, 17320, 17680, 22516, 28145, 29444, 34640, 36805, 45032, 56290, 58888, 73610, 90064, 95693, 112580, 117776, 147220, 191386, 225160, 294440, 382772, 450320, 478465, 588880, 765544, 956930, 1531088, 1913860, 3827720, 7655440]

約数ペア:

[(1, 7655440), (2, 3827720), (4, 1913860), (5, 1531088), (8, 956930), (10, 765544), (13, 588880), (16, 478465), (17, 450320), (20, 382772), (26, 294440), (34, 225160), (40, 191386), (52, 147220), (65, 117776), (68, 112580), (80, 95693), (85, 90064), (104, 73610), (130, 58888), (136, 56290), (170, 45032), (208, 36805), (221, 34640), (260, 29444), (272, 28145), (340, 22516), (433, 17680), (442, 17320), (520, 14722), (680, 11258), (866, 8840), (884, 8660), (1040, 7361), (1105, 6928), (1360, 5629), (1732, 4420), (1768, 4330), (2165, 3536), (2210, 3464)]