138641280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:628

約数の個数: 128

約数和(自身を含む): 445633920

約数和(自身を除く): 306992640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 163, 192, 240, 320, 326, 384, 443, 480, 489, 640, 652, 815, 886, 960, 978, 1304, 1329, 1630, 1772, 1920, 1956, 2215, 2445, 2608, 2658, 3260, 3544, 3912, 4430, 4890, 5216, 5316, 6520, 6645, 7088, 7824, 8860, 9780, 10432, 10632, 13040, 13290, 14176, 15648, 17720, 19560, 20864, 21264, 26080, 26580, 28352, 31296, 35440, 39120, 42528, 52160, 53160, 56704, 62592, 70880, 72209, 78240, 85056, 104320, 106320, 141760, 144418, 156480, 170112, 212640, 216627, 283520, 288836, 312960, 361045, 425280, 433254, 577672, 722090, 850560, 866508, 1083135, 1155344, 1444180, 1733016, 2166270, 2310688, 2888360, 3466032, 4332540, 4621376, 5776720, 6932064, 8665080, 9242752, 11553440, 13864128, 17330160, 23106880, 27728256, 34660320, 46213760, 69320640, 138641280]

約数ペア:

[(1, 138641280), (2, 69320640), (3, 46213760), (4, 34660320), (5, 27728256), (6, 23106880), (8, 17330160), (10, 13864128), (12, 11553440), (15, 9242752), (16, 8665080), (20, 6932064), (24, 5776720), (30, 4621376), (32, 4332540), (40, 3466032), (48, 2888360), (60, 2310688), (64, 2166270), (80, 1733016), (96, 1444180), (120, 1155344), (128, 1083135), (160, 866508), (163, 850560), (192, 722090), (240, 577672), (320, 433254), (326, 425280), (384, 361045), (443, 312960), (480, 288836), (489, 283520), (640, 216627), (652, 212640), (815, 170112), (886, 156480), (960, 144418), (978, 141760), (1304, 106320), (1329, 104320), (1630, 85056), (1772, 78240), (1920, 72209), (1956, 70880), (2215, 62592), (2445, 56704), (2608, 53160), (2658, 52160), (3260, 42528), (3544, 39120), (3912, 35440), (4430, 31296), (4890, 28352), (5216, 26580), (5316, 26080), (6520, 21264), (6645, 20864), (7088, 19560), (7824, 17720), (8860, 15648), (9780, 14176), (10432, 13290), (10632, 13040)]