197497320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 623462400

約数和(自身を除く): 425965080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 163, 184, 230, 276, 326, 345, 439, 460, 489, 552, 652, 690, 815, 878, 920, 978, 1304, 1317, 1380, 1630, 1756, 1956, 2195, 2445, 2634, 2760, 3260, 3512, 3749, 3912, 4390, 4890, 5268, 6520, 6585, 7498, 8780, 9780, 10097, 10536, 11247, 13170, 14996, 17560, 18745, 19560, 20194, 22494, 26340, 29992, 30291, 37490, 40388, 44988, 50485, 52680, 56235, 60582, 71557, 74980, 80776, 89976, 100970, 112470, 121164, 143114, 149960, 151455, 201940, 214671, 224940, 242328, 286228, 302910, 357785, 403880, 429342, 449880, 572456, 605820, 715570, 858684, 1073355, 1211640, 1431140, 1645811, 1717368, 2146710, 2862280, 3291622, 4293420, 4937433, 6583244, 8229055, 8586840, 9874866, 13166488, 16458110, 19749732, 24687165, 32916220, 39499464, 49374330, 65832440, 98748660, 197497320]

約数ペア:

[(1, 197497320), (2, 98748660), (3, 65832440), (4, 49374330), (5, 39499464), (6, 32916220), (8, 24687165), (10, 19749732), (12, 16458110), (15, 13166488), (20, 9874866), (23, 8586840), (24, 8229055), (30, 6583244), (40, 4937433), (46, 4293420), (60, 3291622), (69, 2862280), (92, 2146710), (115, 1717368), (120, 1645811), (138, 1431140), (163, 1211640), (184, 1073355), (230, 858684), (276, 715570), (326, 605820), (345, 572456), (439, 449880), (460, 429342), (489, 403880), (552, 357785), (652, 302910), (690, 286228), (815, 242328), (878, 224940), (920, 214671), (978, 201940), (1304, 151455), (1317, 149960), (1380, 143114), (1630, 121164), (1756, 112470), (1956, 100970), (2195, 89976), (2445, 80776), (2634, 74980), (2760, 71557), (3260, 60582), (3512, 56235), (3749, 52680), (3912, 50485), (4390, 44988), (4890, 40388), (5268, 37490), (6520, 30291), (6585, 29992), (7498, 26340), (8780, 22494), (9780, 20194), (10097, 19560), (10536, 18745), (11247, 17560), (13170, 14996)]