19995480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:913

約数の個数: 96

約数和(自身を含む): 66034800

約数和(自身を除く): 46039320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 829, 1005, 1206, 1340, 1608, 1658, 2010, 2412, 2487, 2680, 3015, 3316, 4020, 4145, 4824, 4974, 6030, 6632, 7461, 8040, 8290, 9948, 12060, 12435, 14922, 16580, 19896, 24120, 24870, 29844, 33160, 37305, 49740, 55543, 59688, 74610, 99480, 111086, 149220, 166629, 222172, 277715, 298440, 333258, 444344, 499887, 555430, 666516, 833145, 999774, 1110860, 1333032, 1666290, 1999548, 2221720, 2499435, 3332580, 3999096, 4998870, 6665160, 9997740, 19995480]

約数ペア:

[(1, 19995480), (2, 9997740), (3, 6665160), (4, 4998870), (5, 3999096), (6, 3332580), (8, 2499435), (9, 2221720), (10, 1999548), (12, 1666290), (15, 1333032), (18, 1110860), (20, 999774), (24, 833145), (30, 666516), (36, 555430), (40, 499887), (45, 444344), (60, 333258), (67, 298440), (72, 277715), (90, 222172), (120, 166629), (134, 149220), (180, 111086), (201, 99480), (268, 74610), (335, 59688), (360, 55543), (402, 49740), (536, 37305), (603, 33160), (670, 29844), (804, 24870), (829, 24120), (1005, 19896), (1206, 16580), (1340, 14922), (1608, 12435), (1658, 12060), (2010, 9948), (2412, 8290), (2487, 8040), (2680, 7461), (3015, 6632), (3316, 6030), (4020, 4974), (4145, 4824)]