28430820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 95764032

約数和(自身を除く): 67333212

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, 83, 90, 99, 110, 132, 165, 166, 173, 180, 198, 220, 249, 330, 332, 346, 396, 415, 495, 498, 519, 660, 692, 747, 830, 865, 913, 990, 996, 1038, 1245, 1494, 1557, 1660, 1730, 1826, 1903, 1980, 2076, 2490, 2595, 2739, 2988, 3114, 3460, 3652, 3735, 3806, 4565, 4980, 5190, 5478, 5709, 6228, 7470, 7612, 7785, 8217, 9130, 9515, 10380, 10956, 11418, 13695, 14359, 14940, 15570, 16434, 17127, 18260, 19030, 22836, 27390, 28545, 28718, 31140, 32868, 34254, 38060, 41085, 43077, 54780, 57090, 57436, 68508, 71795, 82170, 85635, 86154, 114180, 129231, 143590, 157949, 164340, 171270, 172308, 215385, 258462, 287180, 315898, 342540, 430770, 473847, 516924, 631796, 646155, 789745, 861540, 947694, 1292310, 1421541, 1579490, 1895388, 2369235, 2584620, 2843082, 3158980, 4738470, 5686164, 7107705, 9476940, 14215410, 28430820]

約数ペア:

[(1, 28430820), (2, 14215410), (3, 9476940), (4, 7107705), (5, 5686164), (6, 4738470), (9, 3158980), (10, 2843082), (11, 2584620), (12, 2369235), (15, 1895388), (18, 1579490), (20, 1421541), (22, 1292310), (30, 947694), (33, 861540), (36, 789745), (44, 646155), (45, 631796), (55, 516924), (60, 473847), (66, 430770), (83, 342540), (90, 315898), (99, 287180), (110, 258462), (132, 215385), (165, 172308), (166, 171270), (173, 164340), (180, 157949), (198, 143590), (220, 129231), (249, 114180), (330, 86154), (332, 85635), (346, 82170), (396, 71795), (415, 68508), (495, 57436), (498, 57090), (519, 54780), (660, 43077), (692, 41085), (747, 38060), (830, 34254), (865, 32868), (913, 31140), (990, 28718), (996, 28545), (1038, 27390), (1245, 22836), (1494, 19030), (1557, 18260), (1660, 17127), (1730, 16434), (1826, 15570), (1903, 14940), (1980, 14359), (2076, 13695), (2490, 11418), (2595, 10956), (2739, 10380), (2988, 9515), (3114, 9130), (3460, 8217), (3652, 7785), (3735, 7612), (3806, 7470), (4565, 6228), (4980, 5709), (5190, 5478)]