239781240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{179}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 796699800

約数和(自身を除く): 556918560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 179, 180, 183, 244, 305, 358, 360, 366, 488, 537, 549, 610, 716, 732, 895, 915, 1074, 1098, 1220, 1432, 1464, 1611, 1790, 1830, 2148, 2196, 2440, 2685, 2745, 3222, 3580, 3660, 3721, 4296, 4392, 5370, 5490, 6444, 7160, 7320, 7442, 8055, 10740, 10919, 10980, 11163, 12888, 14884, 16110, 18605, 21480, 21838, 21960, 22326, 29768, 32220, 32757, 33489, 37210, 43676, 44652, 54595, 55815, 64440, 65514, 66978, 74420, 87352, 89304, 98271, 109190, 111630, 131028, 133956, 148840, 163785, 167445, 196542, 218380, 223260, 262056, 267912, 327570, 334890, 393084, 436760, 446520, 491355, 655140, 666059, 669780, 786168, 982710, 1310280, 1332118, 1339560, 1965420, 1998177, 2664236, 3330295, 3930840, 3996354, 5328472, 5994531, 6660590, 7992708, 9990885, 11989062, 13321180, 15985416, 19981770, 23978124, 26642360, 29972655, 39963540, 47956248, 59945310, 79927080, 119890620, 239781240]

約数ペア:

[(1, 239781240), (2, 119890620), (3, 79927080), (4, 59945310), (5, 47956248), (6, 39963540), (8, 29972655), (9, 26642360), (10, 23978124), (12, 19981770), (15, 15985416), (18, 13321180), (20, 11989062), (24, 9990885), (30, 7992708), (36, 6660590), (40, 5994531), (45, 5328472), (60, 3996354), (61, 3930840), (72, 3330295), (90, 2664236), (120, 1998177), (122, 1965420), (179, 1339560), (180, 1332118), (183, 1310280), (244, 982710), (305, 786168), (358, 669780), (360, 666059), (366, 655140), (488, 491355), (537, 446520), (549, 436760), (610, 393084), (716, 334890), (732, 327570), (895, 267912), (915, 262056), (1074, 223260), (1098, 218380), (1220, 196542), (1432, 167445), (1464, 163785), (1611, 148840), (1790, 133956), (1830, 131028), (2148, 111630), (2196, 109190), (2440, 98271), (2685, 89304), (2745, 87352), (3222, 74420), (3580, 66978), (3660, 65514), (3721, 64440), (4296, 55815), (4392, 54595), (5370, 44652), (5490, 43676), (6444, 37210), (7160, 33489), (7320, 32757), (7442, 32220), (8055, 29768), (10740, 22326), (10919, 21960), (10980, 21838), (11163, 21480), (12888, 18605), (14884, 16110)]