29975220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15139}}^1$

素因数の和:15165

約数の個数: 72

約数和(自身を含む): 99197280

約数和(自身を除く): 69222060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 15139, 30278, 45417, 60556, 75695, 90834, 136251, 151390, 166529, 181668, 227085, 272502, 302780, 333058, 454170, 499587, 545004, 666116, 681255, 832645, 908340, 999174, 1362510, 1498761, 1665290, 1998348, 2497935, 2725020, 2997522, 3330580, 4995870, 5995044, 7493805, 9991740, 14987610, 29975220]

約数ペア:

[(1, 29975220), (2, 14987610), (3, 9991740), (4, 7493805), (5, 5995044), (6, 4995870), (9, 3330580), (10, 2997522), (11, 2725020), (12, 2497935), (15, 1998348), (18, 1665290), (20, 1498761), (22, 1362510), (30, 999174), (33, 908340), (36, 832645), (44, 681255), (45, 666116), (55, 545004), (60, 499587), (66, 454170), (90, 333058), (99, 302780), (110, 272502), (132, 227085), (165, 181668), (180, 166529), (198, 151390), (220, 136251), (330, 90834), (396, 75695), (495, 60556), (660, 45417), (990, 30278), (1980, 15139)]