221848020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17359}}^1$

素因数の和:17445

約数の個数: 72

約数和(自身を含む): 682456320

約数和(自身を除く): 460608300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 17359, 34718, 52077, 69436, 86795, 104154, 156231, 173590, 208308, 260385, 312462, 347180, 520770, 624924, 781155, 1041540, 1232489, 1562310, 2464978, 3124620, 3697467, 4929956, 6162445, 7394934, 11092401, 12324890, 14789868, 18487335, 22184802, 24649780, 36974670, 44369604, 55462005, 73949340, 110924010, 221848020]

約数ペア:

[(1, 221848020), (2, 110924010), (3, 73949340), (4, 55462005), (5, 44369604), (6, 36974670), (9, 24649780), (10, 22184802), (12, 18487335), (15, 14789868), (18, 12324890), (20, 11092401), (30, 7394934), (36, 6162445), (45, 4929956), (60, 3697467), (71, 3124620), (90, 2464978), (142, 1562310), (180, 1232489), (213, 1041540), (284, 781155), (355, 624924), (426, 520770), (639, 347180), (710, 312462), (852, 260385), (1065, 208308), (1278, 173590), (1420, 156231), (2130, 104154), (2556, 86795), (3195, 69436), (4260, 52077), (6390, 34718), (12780, 17359)]