15278040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 52678080

約数和(自身を除く): 37400040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 37, 40, 45, 60, 62, 72, 74, 90, 93, 111, 120, 124, 148, 155, 180, 185, 186, 222, 248, 279, 296, 310, 333, 360, 370, 372, 444, 465, 555, 558, 620, 666, 740, 744, 888, 930, 1110, 1116, 1147, 1240, 1332, 1369, 1395, 1480, 1665, 1860, 2220, 2232, 2294, 2664, 2738, 2790, 3330, 3441, 3720, 4107, 4440, 4588, 5476, 5580, 5735, 6660, 6845, 6882, 8214, 9176, 10323, 10952, 11160, 11470, 12321, 13320, 13690, 13764, 16428, 17205, 20535, 20646, 22940, 24642, 27380, 27528, 32856, 34410, 41070, 41292, 42439, 45880, 49284, 51615, 54760, 61605, 68820, 82140, 82584, 84878, 98568, 103230, 123210, 127317, 137640, 164280, 169756, 206460, 212195, 246420, 254634, 339512, 381951, 412920, 424390, 492840, 509268, 636585, 763902, 848780, 1018536, 1273170, 1527804, 1697560, 1909755, 2546340, 3055608, 3819510, 5092680, 7639020, 15278040]

約数ペア:

[(1, 15278040), (2, 7639020), (3, 5092680), (4, 3819510), (5, 3055608), (6, 2546340), (8, 1909755), (9, 1697560), (10, 1527804), (12, 1273170), (15, 1018536), (18, 848780), (20, 763902), (24, 636585), (30, 509268), (31, 492840), (36, 424390), (37, 412920), (40, 381951), (45, 339512), (60, 254634), (62, 246420), (72, 212195), (74, 206460), (90, 169756), (93, 164280), (111, 137640), (120, 127317), (124, 123210), (148, 103230), (155, 98568), (180, 84878), (185, 82584), (186, 82140), (222, 68820), (248, 61605), (279, 54760), (296, 51615), (310, 49284), (333, 45880), (360, 42439), (370, 41292), (372, 41070), (444, 34410), (465, 32856), (555, 27528), (558, 27380), (620, 24642), (666, 22940), (740, 20646), (744, 20535), (888, 17205), (930, 16428), (1110, 13764), (1116, 13690), (1147, 13320), (1240, 12321), (1332, 11470), (1369, 11160), (1395, 10952), (1480, 10323), (1665, 9176), (1860, 8214), (2220, 6882), (2232, 6845), (2294, 6660), (2664, 5735), (2738, 5580), (2790, 5476), (3330, 4588), (3441, 4440), (3720, 4107)]