199604520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:880

約数の個数: 128

約数和(自身を含む): 668448000

約数和(自身を除く): 468843480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 421, 439, 540, 842, 878, 1080, 1263, 1317, 1684, 1756, 2105, 2195, 2526, 2634, 3368, 3512, 3789, 3951, 4210, 4390, 5052, 5268, 6315, 6585, 7578, 7902, 8420, 8780, 10104, 10536, 11367, 11853, 12630, 13170, 15156, 15804, 16840, 17560, 18945, 19755, 22734, 23706, 25260, 26340, 30312, 31608, 37890, 39510, 45468, 47412, 50520, 52680, 56835, 59265, 75780, 79020, 90936, 94824, 113670, 118530, 151560, 158040, 184819, 227340, 237060, 369638, 454680, 474120, 554457, 739276, 924095, 1108914, 1478552, 1663371, 1848190, 2217828, 2772285, 3326742, 3696380, 4435656, 4990113, 5544570, 6653484, 7392760, 8316855, 9980226, 11089140, 13306968, 16633710, 19960452, 22178280, 24950565, 33267420, 39920904, 49901130, 66534840, 99802260, 199604520]

約数ペア:

[(1, 199604520), (2, 99802260), (3, 66534840), (4, 49901130), (5, 39920904), (6, 33267420), (8, 24950565), (9, 22178280), (10, 19960452), (12, 16633710), (15, 13306968), (18, 11089140), (20, 9980226), (24, 8316855), (27, 7392760), (30, 6653484), (36, 5544570), (40, 4990113), (45, 4435656), (54, 3696380), (60, 3326742), (72, 2772285), (90, 2217828), (108, 1848190), (120, 1663371), (135, 1478552), (180, 1108914), (216, 924095), (270, 739276), (360, 554457), (421, 474120), (439, 454680), (540, 369638), (842, 237060), (878, 227340), (1080, 184819), (1263, 158040), (1317, 151560), (1684, 118530), (1756, 113670), (2105, 94824), (2195, 90936), (2526, 79020), (2634, 75780), (3368, 59265), (3512, 56835), (3789, 52680), (3951, 50520), (4210, 47412), (4390, 45468), (5052, 39510), (5268, 37890), (6315, 31608), (6585, 30312), (7578, 26340), (7902, 25260), (8420, 23706), (8780, 22734), (10104, 19755), (10536, 18945), (11367, 17560), (11853, 16840), (12630, 15804), (13170, 15156)]