1665207120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21481}}^1$

素因数の和:21533

約数の個数: 160

約数和(自身を含む): 5753738880

約数和(自身を除く): 4088531760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 816, 912, 969, 1020, 1140, 1292, 1360, 1520, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4080, 4560, 4845, 5168, 6460, 7752, 9690, 12920, 15504, 19380, 21481, 25840, 38760, 42962, 64443, 77520, 85924, 107405, 128886, 171848, 214810, 257772, 322215, 343696, 365177, 408139, 429620, 515544, 644430, 730354, 816278, 859240, 1031088, 1095531, 1224417, 1288860, 1460708, 1632556, 1718480, 1825885, 2040695, 2191062, 2448834, 2577720, 2921416, 3265112, 3651770, 4081390, 4382124, 4897668, 5155440, 5477655, 5842832, 6122085, 6530224, 6938363, 7303540, 8162780, 8764248, 9795336, 10955310, 12244170, 13876726, 14607080, 16325560, 17528496, 19590672, 20815089, 21910620, 24488340, 27753452, 29214160, 32651120, 34691815, 41630178, 43821240, 48976680, 55506904, 69383630, 83260356, 87642480, 97953360, 104075445, 111013808, 138767260, 166520712, 208150890, 277534520, 333041424, 416301780, 555069040, 832603560, 1665207120]

約数ペア:

[(1, 1665207120), (2, 832603560), (3, 555069040), (4, 416301780), (5, 333041424), (6, 277534520), (8, 208150890), (10, 166520712), (12, 138767260), (15, 111013808), (16, 104075445), (17, 97953360), (19, 87642480), (20, 83260356), (24, 69383630), (30, 55506904), (34, 48976680), (38, 43821240), (40, 41630178), (48, 34691815), (51, 32651120), (57, 29214160), (60, 27753452), (68, 24488340), (76, 21910620), (80, 20815089), (85, 19590672), (95, 17528496), (102, 16325560), (114, 14607080), (120, 13876726), (136, 12244170), (152, 10955310), (170, 9795336), (190, 8764248), (204, 8162780), (228, 7303540), (240, 6938363), (255, 6530224), (272, 6122085), (285, 5842832), (304, 5477655), (323, 5155440), (340, 4897668), (380, 4382124), (408, 4081390), (456, 3651770), (510, 3265112), (570, 2921416), (646, 2577720), (680, 2448834), (760, 2191062), (816, 2040695), (912, 1825885), (969, 1718480), (1020, 1632556), (1140, 1460708), (1292, 1288860), (1360, 1224417), (1520, 1095531), (1615, 1031088), (1938, 859240), (2040, 816278), (2280, 730354), (2584, 644430), (3230, 515544), (3876, 429620), (4080, 408139), (4560, 365177), (4845, 343696), (5168, 322215), (6460, 257772), (7752, 214810), (9690, 171848), (12920, 128886), (15504, 107405), (19380, 85924), (21481, 77520), (25840, 64443), (38760, 42962)]