20141520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:673

約数の個数: 160

約数和(自身を含む): 75233280

約数和(自身を除く): 55091760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 631, 665, 760, 798, 840, 912, 1064, 1140, 1262, 1330, 1520, 1596, 1680, 1893, 1995, 2128, 2280, 2524, 2660, 3155, 3192, 3786, 3990, 4417, 4560, 5048, 5320, 6310, 6384, 7572, 7980, 8834, 9465, 10096, 10640, 11989, 12620, 13251, 15144, 15960, 17668, 18930, 22085, 23978, 25240, 26502, 30288, 31920, 35336, 35967, 37860, 44170, 47956, 50480, 53004, 59945, 66255, 70672, 71934, 75720, 83923, 88340, 95912, 106008, 119890, 132510, 143868, 151440, 167846, 176680, 179835, 191824, 212016, 239780, 251769, 265020, 287736, 335692, 353360, 359670, 419615, 479560, 503538, 530040, 575472, 671384, 719340, 839230, 959120, 1007076, 1060080, 1258845, 1342768, 1438680, 1678460, 2014152, 2517690, 2877360, 3356920, 4028304, 5035380, 6713840, 10070760, 20141520]

約数ペア:

[(1, 20141520), (2, 10070760), (3, 6713840), (4, 5035380), (5, 4028304), (6, 3356920), (7, 2877360), (8, 2517690), (10, 2014152), (12, 1678460), (14, 1438680), (15, 1342768), (16, 1258845), (19, 1060080), (20, 1007076), (21, 959120), (24, 839230), (28, 719340), (30, 671384), (35, 575472), (38, 530040), (40, 503538), (42, 479560), (48, 419615), (56, 359670), (57, 353360), (60, 335692), (70, 287736), (76, 265020), (80, 251769), (84, 239780), (95, 212016), (105, 191824), (112, 179835), (114, 176680), (120, 167846), (133, 151440), (140, 143868), (152, 132510), (168, 119890), (190, 106008), (210, 95912), (228, 88340), (240, 83923), (266, 75720), (280, 71934), (285, 70672), (304, 66255), (336, 59945), (380, 53004), (399, 50480), (420, 47956), (456, 44170), (532, 37860), (560, 35967), (570, 35336), (631, 31920), (665, 30288), (760, 26502), (798, 25240), (840, 23978), (912, 22085), (1064, 18930), (1140, 17668), (1262, 15960), (1330, 15144), (1520, 13251), (1596, 12620), (1680, 11989), (1893, 10640), (1995, 10096), (2128, 9465), (2280, 8834), (2524, 7980), (2660, 7572), (3155, 6384), (3192, 6310), (3786, 5320), (3990, 5048), (4417, 4560)]