155645440

素因数分解:

$2^9\times 5^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:559

約数の個数: 80

約数和(自身を含む): 376480368

約数和(自身を除く): 220834928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 320, 326, 373, 512, 640, 652, 746, 815, 1280, 1304, 1492, 1630, 1865, 2560, 2608, 2984, 3260, 3730, 5216, 5968, 6520, 7460, 10432, 11936, 13040, 14920, 20864, 23872, 26080, 29840, 41728, 47744, 52160, 59680, 60799, 83456, 95488, 104320, 119360, 121598, 190976, 208640, 238720, 243196, 303995, 417280, 477440, 486392, 607990, 954880, 972784, 1215980, 1945568, 2431960, 3891136, 4863920, 7782272, 9727840, 15564544, 19455680, 31129088, 38911360, 77822720, 155645440]

約数ペア:

[(1, 155645440), (2, 77822720), (4, 38911360), (5, 31129088), (8, 19455680), (10, 15564544), (16, 9727840), (20, 7782272), (32, 4863920), (40, 3891136), (64, 2431960), (80, 1945568), (128, 1215980), (160, 972784), (163, 954880), (256, 607990), (320, 486392), (326, 477440), (373, 417280), (512, 303995), (640, 243196), (652, 238720), (746, 208640), (815, 190976), (1280, 121598), (1304, 119360), (1492, 104320), (1630, 95488), (1865, 83456), (2560, 60799), (2608, 59680), (2984, 52160), (3260, 47744), (3730, 41728), (5216, 29840), (5968, 26080), (6520, 23872), (7460, 20864), (10432, 14920), (11936, 13040)]