157690880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1665

約数の個数: 88

約数和(自身を含む): 398428080

約数和(自身を除く): 240737200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 1621, 2432, 2560, 3040, 3242, 4864, 5120, 6080, 6484, 8105, 9728, 12160, 12968, 16210, 19456, 24320, 25936, 30799, 32420, 48640, 51872, 61598, 64840, 97280, 103744, 123196, 129680, 153995, 207488, 246392, 259360, 307990, 414976, 492784, 518720, 615980, 829952, 985568, 1037440, 1231960, 1659904, 1971136, 2074880, 2463920, 3942272, 4149760, 4927840, 7884544, 8299520, 9855680, 15769088, 19711360, 31538176, 39422720, 78845440, 157690880]

約数ペア:

[(1, 157690880), (2, 78845440), (4, 39422720), (5, 31538176), (8, 19711360), (10, 15769088), (16, 9855680), (19, 8299520), (20, 7884544), (32, 4927840), (38, 4149760), (40, 3942272), (64, 2463920), (76, 2074880), (80, 1971136), (95, 1659904), (128, 1231960), (152, 1037440), (160, 985568), (190, 829952), (256, 615980), (304, 518720), (320, 492784), (380, 414976), (512, 307990), (608, 259360), (640, 246392), (760, 207488), (1024, 153995), (1216, 129680), (1280, 123196), (1520, 103744), (1621, 97280), (2432, 64840), (2560, 61598), (3040, 51872), (3242, 48640), (4864, 32420), (5120, 30799), (6080, 25936), (6484, 24320), (8105, 19456), (9728, 16210), (12160, 12968)]