891480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 128

約数和(自身を含む): 3110400

約数和(自身を除く): 2218920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 23, 24, 30, 34, 38, 40, 46, 51, 57, 60, 68, 69, 76, 85, 92, 95, 102, 114, 115, 120, 136, 138, 152, 170, 184, 190, 204, 228, 230, 255, 276, 285, 323, 340, 345, 380, 391, 408, 437, 456, 460, 510, 552, 570, 646, 680, 690, 760, 782, 874, 920, 969, 1020, 1140, 1173, 1292, 1311, 1380, 1564, 1615, 1748, 1938, 1955, 2040, 2185, 2280, 2346, 2584, 2622, 2760, 3128, 3230, 3496, 3876, 3910, 4370, 4692, 4845, 5244, 5865, 6460, 6555, 7429, 7752, 7820, 8740, 9384, 9690, 10488, 11730, 12920, 13110, 14858, 15640, 17480, 19380, 22287, 23460, 26220, 29716, 37145, 38760, 44574, 46920, 52440, 59432, 74290, 89148, 111435, 148580, 178296, 222870, 297160, 445740, 891480]

約数ペア:

[(1, 891480), (2, 445740), (3, 297160), (4, 222870), (5, 178296), (6, 148580), (8, 111435), (10, 89148), (12, 74290), (15, 59432), (17, 52440), (19, 46920), (20, 44574), (23, 38760), (24, 37145), (30, 29716), (34, 26220), (38, 23460), (40, 22287), (46, 19380), (51, 17480), (57, 15640), (60, 14858), (68, 13110), (69, 12920), (76, 11730), (85, 10488), (92, 9690), (95, 9384), (102, 8740), (114, 7820), (115, 7752), (120, 7429), (136, 6555), (138, 6460), (152, 5865), (170, 5244), (184, 4845), (190, 4692), (204, 4370), (228, 3910), (230, 3876), (255, 3496), (276, 3230), (285, 3128), (323, 2760), (340, 2622), (345, 2584), (380, 2346), (391, 2280), (408, 2185), (437, 2040), (456, 1955), (460, 1938), (510, 1748), (552, 1615), (570, 1564), (646, 1380), (680, 1311), (690, 1292), (760, 1173), (782, 1140), (874, 1020), (920, 969)]