28389240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 103109760

約数和(自身を除く): 74720520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 67, 72, 88, 90, 99, 107, 110, 120, 132, 134, 165, 180, 198, 201, 214, 220, 264, 268, 321, 330, 335, 360, 396, 402, 428, 440, 495, 535, 536, 603, 642, 660, 670, 737, 792, 804, 856, 963, 990, 1005, 1070, 1177, 1206, 1284, 1320, 1340, 1474, 1605, 1608, 1926, 1980, 2010, 2140, 2211, 2354, 2412, 2568, 2680, 2948, 3015, 3210, 3531, 3685, 3852, 3960, 4020, 4280, 4422, 4708, 4815, 4824, 5885, 5896, 6030, 6420, 6633, 7062, 7169, 7370, 7704, 8040, 8844, 9416, 9630, 10593, 11055, 11770, 12060, 12840, 13266, 14124, 14338, 14740, 17655, 17688, 19260, 21186, 21507, 22110, 23540, 24120, 26532, 28248, 28676, 29480, 33165, 35310, 35845, 38520, 42372, 43014, 44220, 47080, 52965, 53064, 57352, 64521, 66330, 70620, 71690, 78859, 84744, 86028, 88440, 105930, 107535, 129042, 132660, 141240, 143380, 157718, 172056, 211860, 215070, 236577, 258084, 265320, 286760, 315436, 322605, 394295, 423720, 430140, 473154, 516168, 630872, 645210, 709731, 788590, 860280, 946308, 1182885, 1290420, 1419462, 1577180, 1892616, 2365770, 2580840, 2838924, 3154360, 3548655, 4731540, 5677848, 7097310, 9463080, 14194620, 28389240]

約数ペア:

[(1, 28389240), (2, 14194620), (3, 9463080), (4, 7097310), (5, 5677848), (6, 4731540), (8, 3548655), (9, 3154360), (10, 2838924), (11, 2580840), (12, 2365770), (15, 1892616), (18, 1577180), (20, 1419462), (22, 1290420), (24, 1182885), (30, 946308), (33, 860280), (36, 788590), (40, 709731), (44, 645210), (45, 630872), (55, 516168), (60, 473154), (66, 430140), (67, 423720), (72, 394295), (88, 322605), (90, 315436), (99, 286760), (107, 265320), (110, 258084), (120, 236577), (132, 215070), (134, 211860), (165, 172056), (180, 157718), (198, 143380), (201, 141240), (214, 132660), (220, 129042), (264, 107535), (268, 105930), (321, 88440), (330, 86028), (335, 84744), (360, 78859), (396, 71690), (402, 70620), (428, 66330), (440, 64521), (495, 57352), (535, 53064), (536, 52965), (603, 47080), (642, 44220), (660, 43014), (670, 42372), (737, 38520), (792, 35845), (804, 35310), (856, 33165), (963, 29480), (990, 28676), (1005, 28248), (1070, 26532), (1177, 24120), (1206, 23540), (1284, 22110), (1320, 21507), (1340, 21186), (1474, 19260), (1605, 17688), (1608, 17655), (1926, 14740), (1980, 14338), (2010, 14124), (2140, 13266), (2211, 12840), (2354, 12060), (2412, 11770), (2568, 11055), (2680, 10593), (2948, 9630), (3015, 9416), (3210, 8844), (3531, 8040), (3685, 7704), (3852, 7370), (3960, 7169), (4020, 7062), (4280, 6633), (4422, 6420), (4708, 6030), (4815, 5896), (4824, 5885)]