28525440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 92534400

約数和(自身を除く): 64008960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 179, 192, 240, 249, 320, 332, 358, 384, 415, 480, 498, 537, 640, 664, 716, 830, 895, 960, 996, 1074, 1245, 1328, 1432, 1660, 1790, 1920, 1992, 2148, 2490, 2656, 2685, 2864, 3320, 3580, 3984, 4296, 4980, 5312, 5370, 5728, 6640, 7160, 7968, 8592, 9960, 10624, 10740, 11456, 13280, 14320, 14857, 15936, 17184, 19920, 21480, 22912, 26560, 28640, 29714, 31872, 34368, 39840, 42960, 44571, 53120, 57280, 59428, 68736, 74285, 79680, 85920, 89142, 114560, 118856, 148570, 159360, 171840, 178284, 222855, 237712, 297140, 343680, 356568, 445710, 475424, 594280, 713136, 891420, 950848, 1188560, 1426272, 1782840, 1901696, 2377120, 2852544, 3565680, 4754240, 5705088, 7131360, 9508480, 14262720, 28525440]

約数ペア:

[(1, 28525440), (2, 14262720), (3, 9508480), (4, 7131360), (5, 5705088), (6, 4754240), (8, 3565680), (10, 2852544), (12, 2377120), (15, 1901696), (16, 1782840), (20, 1426272), (24, 1188560), (30, 950848), (32, 891420), (40, 713136), (48, 594280), (60, 475424), (64, 445710), (80, 356568), (83, 343680), (96, 297140), (120, 237712), (128, 222855), (160, 178284), (166, 171840), (179, 159360), (192, 148570), (240, 118856), (249, 114560), (320, 89142), (332, 85920), (358, 79680), (384, 74285), (415, 68736), (480, 59428), (498, 57280), (537, 53120), (640, 44571), (664, 42960), (716, 39840), (830, 34368), (895, 31872), (960, 29714), (996, 28640), (1074, 26560), (1245, 22912), (1328, 21480), (1432, 19920), (1660, 17184), (1790, 15936), (1920, 14857), (1992, 14320), (2148, 13280), (2490, 11456), (2656, 10740), (2685, 10624), (2864, 9960), (3320, 8592), (3580, 7968), (3984, 7160), (4296, 6640), (4980, 5728), (5312, 5370)]