28684620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 92121120

約数和(自身を除く): 63436500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 59, 60, 73, 74, 90, 111, 118, 146, 148, 177, 180, 185, 219, 222, 236, 292, 295, 333, 354, 365, 370, 438, 444, 531, 555, 590, 657, 666, 708, 730, 740, 876, 885, 1062, 1095, 1110, 1180, 1314, 1332, 1460, 1665, 1770, 2124, 2183, 2190, 2220, 2628, 2655, 2701, 3285, 3330, 3540, 4307, 4366, 4380, 5310, 5402, 6549, 6570, 6660, 8103, 8614, 8732, 10620, 10804, 10915, 12921, 13098, 13140, 13505, 16206, 17228, 19647, 21535, 21830, 24309, 25842, 26196, 27010, 32412, 32745, 38763, 39294, 40515, 43070, 43660, 48618, 51684, 54020, 64605, 65490, 77526, 78588, 81030, 86140, 97236, 98235, 121545, 129210, 130980, 155052, 159359, 162060, 193815, 196470, 243090, 258420, 318718, 387630, 392940, 478077, 486180, 637436, 775260, 796795, 956154, 1434231, 1593590, 1912308, 2390385, 2868462, 3187180, 4780770, 5736924, 7171155, 9561540, 14342310, 28684620]

約数ペア:

[(1, 28684620), (2, 14342310), (3, 9561540), (4, 7171155), (5, 5736924), (6, 4780770), (9, 3187180), (10, 2868462), (12, 2390385), (15, 1912308), (18, 1593590), (20, 1434231), (30, 956154), (36, 796795), (37, 775260), (45, 637436), (59, 486180), (60, 478077), (73, 392940), (74, 387630), (90, 318718), (111, 258420), (118, 243090), (146, 196470), (148, 193815), (177, 162060), (180, 159359), (185, 155052), (219, 130980), (222, 129210), (236, 121545), (292, 98235), (295, 97236), (333, 86140), (354, 81030), (365, 78588), (370, 77526), (438, 65490), (444, 64605), (531, 54020), (555, 51684), (590, 48618), (657, 43660), (666, 43070), (708, 40515), (730, 39294), (740, 38763), (876, 32745), (885, 32412), (1062, 27010), (1095, 26196), (1110, 25842), (1180, 24309), (1314, 21830), (1332, 21535), (1460, 19647), (1665, 17228), (1770, 16206), (2124, 13505), (2183, 13140), (2190, 13098), (2220, 12921), (2628, 10915), (2655, 10804), (2701, 10620), (3285, 8732), (3330, 8614), (3540, 8103), (4307, 6660), (4366, 6570), (4380, 6549), (5310, 5402)]