1329921720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{64811}}^1$

素因数の和:64850

約数の個数: 128

約数和(自身を含む): 4666464000

約数和(自身を除く): 3336542280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 64811, 129622, 194433, 259244, 324055, 388866, 518488, 583299, 648110, 777732, 972165, 1166598, 1231409, 1296220, 1555464, 1749897, 1944330, 2333196, 2462818, 2592440, 2916495, 3499794, 3694227, 3888660, 4666392, 4925636, 5832990, 6157045, 6999588, 7388454, 7777320, 8749485, 9851272, 11082681, 11665980, 12314090, 13999176, 14776908, 17498970, 18471135, 22165362, 23331960, 24628180, 29553816, 33248043, 34997940, 36942270, 44330724, 49256360, 55413405, 66496086, 69995880, 73884540, 88661448, 110826810, 132992172, 147769080, 166240215, 221653620, 265984344, 332480430, 443307240, 664960860, 1329921720]

約数ペア:

[(1, 1329921720), (2, 664960860), (3, 443307240), (4, 332480430), (5, 265984344), (6, 221653620), (8, 166240215), (9, 147769080), (10, 132992172), (12, 110826810), (15, 88661448), (18, 73884540), (19, 69995880), (20, 66496086), (24, 55413405), (27, 49256360), (30, 44330724), (36, 36942270), (38, 34997940), (40, 33248043), (45, 29553816), (54, 24628180), (57, 23331960), (60, 22165362), (72, 18471135), (76, 17498970), (90, 14776908), (95, 13999176), (108, 12314090), (114, 11665980), (120, 11082681), (135, 9851272), (152, 8749485), (171, 7777320), (180, 7388454), (190, 6999588), (216, 6157045), (228, 5832990), (270, 4925636), (285, 4666392), (342, 3888660), (360, 3694227), (380, 3499794), (456, 2916495), (513, 2592440), (540, 2462818), (570, 2333196), (684, 1944330), (760, 1749897), (855, 1555464), (1026, 1296220), (1080, 1231409), (1140, 1166598), (1368, 972165), (1710, 777732), (2052, 648110), (2280, 583299), (2565, 518488), (3420, 388866), (4104, 324055), (5130, 259244), (6840, 194433), (10260, 129622), (20520, 64811)]