15415920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 240

約数和(自身を含む): 58767072

約数和(自身を除く): 43351152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 61, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 122, 130, 135, 144, 156, 162, 180, 183, 195, 208, 216, 234, 240, 243, 244, 260, 270, 305, 312, 324, 351, 360, 366, 390, 405, 432, 468, 486, 488, 520, 540, 549, 585, 610, 624, 648, 702, 720, 732, 780, 793, 810, 915, 936, 972, 976, 1040, 1053, 1080, 1098, 1170, 1215, 1220, 1296, 1404, 1464, 1560, 1586, 1620, 1647, 1755, 1830, 1872, 1944, 2106, 2160, 2196, 2340, 2379, 2430, 2440, 2745, 2808, 2928, 3120, 3159, 3172, 3240, 3294, 3510, 3660, 3888, 3965, 4212, 4392, 4680, 4758, 4860, 4880, 4941, 5265, 5490, 5616, 6318, 6344, 6480, 6588, 7020, 7137, 7320, 7930, 8235, 8424, 8784, 9360, 9516, 9720, 9882, 10530, 10980, 11895, 12636, 12688, 13176, 14040, 14274, 14640, 14823, 15795, 15860, 16470, 16848, 19032, 19440, 19764, 21060, 21411, 21960, 23790, 24705, 25272, 26352, 28080, 28548, 29646, 31590, 31720, 32940, 35685, 38064, 39528, 42120, 42822, 43920, 47580, 49410, 50544, 57096, 59292, 63180, 63440, 64233, 65880, 71370, 74115, 79056, 84240, 85644, 95160, 98820, 107055, 114192, 118584, 126360, 128466, 131760, 142740, 148230, 171288, 190320, 192699, 197640, 214110, 237168, 252720, 256932, 285480, 296460, 321165, 342576, 385398, 395280, 428220, 513864, 570960, 592920, 642330, 770796, 856440, 963495, 1027728, 1185840, 1284660, 1541592, 1712880, 1926990, 2569320, 3083184, 3853980, 5138640, 7707960, 15415920]

約数ペア:

[(1, 15415920), (2, 7707960), (3, 5138640), (4, 3853980), (5, 3083184), (6, 2569320), (8, 1926990), (9, 1712880), (10, 1541592), (12, 1284660), (13, 1185840), (15, 1027728), (16, 963495), (18, 856440), (20, 770796), (24, 642330), (26, 592920), (27, 570960), (30, 513864), (36, 428220), (39, 395280), (40, 385398), (45, 342576), (48, 321165), (52, 296460), (54, 285480), (60, 256932), (61, 252720), (65, 237168), (72, 214110), (78, 197640), (80, 192699), (81, 190320), (90, 171288), (104, 148230), (108, 142740), (117, 131760), (120, 128466), (122, 126360), (130, 118584), (135, 114192), (144, 107055), (156, 98820), (162, 95160), (180, 85644), (183, 84240), (195, 79056), (208, 74115), (216, 71370), (234, 65880), (240, 64233), (243, 63440), (244, 63180), (260, 59292), (270, 57096), (305, 50544), (312, 49410), (324, 47580), (351, 43920), (360, 42822), (366, 42120), (390, 39528), (405, 38064), (432, 35685), (468, 32940), (486, 31720), (488, 31590), (520, 29646), (540, 28548), (549, 28080), (585, 26352), (610, 25272), (624, 24705), (648, 23790), (702, 21960), (720, 21411), (732, 21060), (780, 19764), (793, 19440), (810, 19032), (915, 16848), (936, 16470), (972, 15860), (976, 15795), (1040, 14823), (1053, 14640), (1080, 14274), (1098, 14040), (1170, 13176), (1215, 12688), (1220, 12636), (1296, 11895), (1404, 10980), (1464, 10530), (1560, 9882), (1586, 9720), (1620, 9516), (1647, 9360), (1755, 8784), (1830, 8424), (1872, 8235), (1944, 7930), (2106, 7320), (2160, 7137), (2196, 7020), (2340, 6588), (2379, 6480), (2430, 6344), (2440, 6318), (2745, 5616), (2808, 5490), (2928, 5265), (3120, 4941), (3159, 4880), (3172, 4860), (3240, 4758), (3294, 4680), (3510, 4392), (3660, 4212), (3888, 3965)]