399846480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{487}}^1$

素因数の和:825

約数の個数: 160

約数和(自身を含む): 1359341568

約数和(自身を除く): 959495088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 311, 330, 440, 487, 528, 622, 660, 880, 933, 974, 1244, 1320, 1461, 1555, 1866, 1948, 2435, 2488, 2640, 2922, 3110, 3421, 3732, 3896, 4665, 4870, 4976, 5357, 5844, 6220, 6842, 7305, 7464, 7792, 9330, 9740, 10263, 10714, 11688, 12440, 13684, 14610, 14928, 16071, 17105, 18660, 19480, 20526, 21428, 23376, 24880, 26785, 27368, 29220, 32142, 34210, 37320, 38960, 41052, 42856, 51315, 53570, 54736, 58440, 64284, 68420, 74640, 80355, 82104, 85712, 102630, 107140, 116880, 128568, 136840, 151457, 160710, 164208, 205260, 214280, 257136, 273680, 302914, 321420, 410520, 428560, 454371, 605828, 642840, 757285, 821040, 908742, 1211656, 1285680, 1514570, 1666027, 1817484, 2271855, 2423312, 3029140, 3332054, 3634968, 4543710, 4998081, 6058280, 6664108, 7269936, 8330135, 9087420, 9996162, 12116560, 13328216, 16660270, 18174840, 19992324, 24990405, 26656432, 33320540, 36349680, 39984648, 49980810, 66641080, 79969296, 99961620, 133282160, 199923240, 399846480]

約数ペア:

[(1, 399846480), (2, 199923240), (3, 133282160), (4, 99961620), (5, 79969296), (6, 66641080), (8, 49980810), (10, 39984648), (11, 36349680), (12, 33320540), (15, 26656432), (16, 24990405), (20, 19992324), (22, 18174840), (24, 16660270), (30, 13328216), (33, 12116560), (40, 9996162), (44, 9087420), (48, 8330135), (55, 7269936), (60, 6664108), (66, 6058280), (80, 4998081), (88, 4543710), (110, 3634968), (120, 3332054), (132, 3029140), (165, 2423312), (176, 2271855), (220, 1817484), (240, 1666027), (264, 1514570), (311, 1285680), (330, 1211656), (440, 908742), (487, 821040), (528, 757285), (622, 642840), (660, 605828), (880, 454371), (933, 428560), (974, 410520), (1244, 321420), (1320, 302914), (1461, 273680), (1555, 257136), (1866, 214280), (1948, 205260), (2435, 164208), (2488, 160710), (2640, 151457), (2922, 136840), (3110, 128568), (3421, 116880), (3732, 107140), (3896, 102630), (4665, 85712), (4870, 82104), (4976, 80355), (5357, 74640), (5844, 68420), (6220, 64284), (6842, 58440), (7305, 54736), (7464, 53570), (7792, 51315), (9330, 42856), (9740, 41052), (10263, 38960), (10714, 37320), (11688, 34210), (12440, 32142), (13684, 29220), (14610, 27368), (14928, 26785), (16071, 24880), (17105, 23376), (18660, 21428), (19480, 20526)]