19745971560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2611901}}^1$

素因数の和:2611928

約数の個数: 128

約数和(自身を含む): 75222777600

約数和(自身を除く): 55476806040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 2611901, 5223802, 7835703, 10447604, 13059505, 15671406, 18283307, 20895208, 23507109, 26119010, 31342812, 36566614, 39178515, 47014218, 52238020, 54849921, 62685624, 70521327, 73133228, 78357030, 91416535, 94028436, 104476040, 109699842, 117535545, 141042654, 146266456, 156714060, 164549763, 182833070, 188056872, 219399684, 235071090, 274249605, 282085308, 313428120, 329099526, 352606635, 365666140, 438799368, 470142180, 493649289, 548499210, 564170616, 658199052, 705213270, 731332280, 822748815, 940284360, 987298578, 1096998420, 1316398104, 1410426540, 1645497630, 1974597156, 2193996840, 2468246445, 2820853080, 3290995260, 3949194312, 4936492890, 6581990520, 9872985780, 19745971560]

約数ペア:

[(1, 19745971560), (2, 9872985780), (3, 6581990520), (4, 4936492890), (5, 3949194312), (6, 3290995260), (7, 2820853080), (8, 2468246445), (9, 2193996840), (10, 1974597156), (12, 1645497630), (14, 1410426540), (15, 1316398104), (18, 1096998420), (20, 987298578), (21, 940284360), (24, 822748815), (27, 731332280), (28, 705213270), (30, 658199052), (35, 564170616), (36, 548499210), (40, 493649289), (42, 470142180), (45, 438799368), (54, 365666140), (56, 352606635), (60, 329099526), (63, 313428120), (70, 282085308), (72, 274249605), (84, 235071090), (90, 219399684), (105, 188056872), (108, 182833070), (120, 164549763), (126, 156714060), (135, 146266456), (140, 141042654), (168, 117535545), (180, 109699842), (189, 104476040), (210, 94028436), (216, 91416535), (252, 78357030), (270, 73133228), (280, 70521327), (315, 62685624), (360, 54849921), (378, 52238020), (420, 47014218), (504, 39178515), (540, 36566614), (630, 31342812), (756, 26119010), (840, 23507109), (945, 20895208), (1080, 18283307), (1260, 15671406), (1512, 13059505), (1890, 10447604), (2520, 7835703), (3780, 5223802), (7560, 2611901)]