16195220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 39916800

約数和(自身を除く): 23721580

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 23, 34, 38, 46, 68, 76, 85, 92, 95, 109, 115, 170, 190, 218, 230, 323, 340, 380, 391, 436, 437, 460, 545, 646, 782, 874, 1090, 1292, 1564, 1615, 1748, 1853, 1955, 2071, 2180, 2185, 2507, 3230, 3706, 3910, 4142, 4370, 5014, 6460, 7412, 7429, 7820, 8284, 8740, 9265, 10028, 10355, 12535, 14858, 18530, 20710, 25070, 29716, 35207, 37060, 37145, 41420, 42619, 47633, 50140, 70414, 74290, 85238, 95266, 140828, 148580, 170476, 176035, 190532, 213095, 238165, 352070, 426190, 476330, 704140, 809761, 852380, 952660, 1619522, 3239044, 4048805, 8097610, 16195220]

約数ペア:

[(1, 16195220), (2, 8097610), (4, 4048805), (5, 3239044), (10, 1619522), (17, 952660), (19, 852380), (20, 809761), (23, 704140), (34, 476330), (38, 426190), (46, 352070), (68, 238165), (76, 213095), (85, 190532), (92, 176035), (95, 170476), (109, 148580), (115, 140828), (170, 95266), (190, 85238), (218, 74290), (230, 70414), (323, 50140), (340, 47633), (380, 42619), (391, 41420), (436, 37145), (437, 37060), (460, 35207), (545, 29716), (646, 25070), (782, 20710), (874, 18530), (1090, 14858), (1292, 12535), (1564, 10355), (1615, 10028), (1748, 9265), (1853, 8740), (1955, 8284), (2071, 7820), (2180, 7429), (2185, 7412), (2507, 6460), (3230, 5014), (3706, 4370), (3910, 4142)]