15942960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 240

約数和(自身を含む): 61350240

約数和(自身を除く): 45407280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 61, 66, 72, 80, 88, 90, 99, 108, 110, 120, 121, 122, 132, 135, 144, 165, 176, 180, 183, 198, 216, 220, 240, 242, 244, 264, 270, 297, 305, 330, 360, 363, 366, 396, 432, 440, 484, 488, 495, 528, 540, 549, 594, 605, 610, 660, 671, 720, 726, 732, 792, 880, 915, 968, 976, 990, 1080, 1089, 1098, 1188, 1210, 1220, 1320, 1342, 1452, 1464, 1485, 1584, 1647, 1815, 1830, 1936, 1980, 2013, 2160, 2178, 2196, 2376, 2420, 2440, 2640, 2684, 2745, 2904, 2928, 2970, 3267, 3294, 3355, 3630, 3660, 3960, 4026, 4356, 4392, 4752, 4840, 4880, 5368, 5445, 5490, 5808, 5940, 6039, 6534, 6588, 6710, 7260, 7320, 7381, 7920, 8052, 8235, 8712, 8784, 9680, 10065, 10736, 10890, 10980, 11880, 12078, 13068, 13176, 13420, 14520, 14640, 14762, 16104, 16335, 16470, 17424, 18117, 20130, 21780, 21960, 22143, 23760, 24156, 26136, 26352, 26840, 29040, 29524, 30195, 32208, 32670, 32940, 36234, 36905, 40260, 43560, 43920, 44286, 48312, 52272, 53680, 59048, 60390, 65340, 65880, 66429, 72468, 73810, 80520, 87120, 88572, 90585, 96624, 110715, 118096, 120780, 130680, 131760, 132858, 144936, 147620, 161040, 177144, 181170, 199287, 221430, 241560, 261360, 265716, 289872, 295240, 332145, 354288, 362340, 398574, 442860, 483120, 531432, 590480, 664290, 724680, 797148, 885720, 996435, 1062864, 1328580, 1449360, 1594296, 1771440, 1992870, 2657160, 3188592, 3985740, 5314320, 7971480, 15942960]

約数ペア:

[(1, 15942960), (2, 7971480), (3, 5314320), (4, 3985740), (5, 3188592), (6, 2657160), (8, 1992870), (9, 1771440), (10, 1594296), (11, 1449360), (12, 1328580), (15, 1062864), (16, 996435), (18, 885720), (20, 797148), (22, 724680), (24, 664290), (27, 590480), (30, 531432), (33, 483120), (36, 442860), (40, 398574), (44, 362340), (45, 354288), (48, 332145), (54, 295240), (55, 289872), (60, 265716), (61, 261360), (66, 241560), (72, 221430), (80, 199287), (88, 181170), (90, 177144), (99, 161040), (108, 147620), (110, 144936), (120, 132858), (121, 131760), (122, 130680), (132, 120780), (135, 118096), (144, 110715), (165, 96624), (176, 90585), (180, 88572), (183, 87120), (198, 80520), (216, 73810), (220, 72468), (240, 66429), (242, 65880), (244, 65340), (264, 60390), (270, 59048), (297, 53680), (305, 52272), (330, 48312), (360, 44286), (363, 43920), (366, 43560), (396, 40260), (432, 36905), (440, 36234), (484, 32940), (488, 32670), (495, 32208), (528, 30195), (540, 29524), (549, 29040), (594, 26840), (605, 26352), (610, 26136), (660, 24156), (671, 23760), (720, 22143), (726, 21960), (732, 21780), (792, 20130), (880, 18117), (915, 17424), (968, 16470), (976, 16335), (990, 16104), (1080, 14762), (1089, 14640), (1098, 14520), (1188, 13420), (1210, 13176), (1220, 13068), (1320, 12078), (1342, 11880), (1452, 10980), (1464, 10890), (1485, 10736), (1584, 10065), (1647, 9680), (1815, 8784), (1830, 8712), (1936, 8235), (1980, 8052), (2013, 7920), (2160, 7381), (2178, 7320), (2196, 7260), (2376, 6710), (2420, 6588), (2440, 6534), (2640, 6039), (2684, 5940), (2745, 5808), (2904, 5490), (2928, 5445), (2970, 5368), (3267, 4880), (3294, 4840), (3355, 4752), (3630, 4392), (3660, 4356), (3960, 4026)]