38899980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 192

約数和(自身を含む): 142248960

約数和(自身を除く): 103348980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 63, 70, 82, 84, 90, 105, 108, 123, 126, 135, 140, 164, 180, 189, 205, 210, 246, 251, 252, 270, 287, 315, 369, 378, 410, 420, 492, 502, 540, 574, 615, 630, 738, 753, 756, 820, 861, 945, 1004, 1107, 1148, 1230, 1255, 1260, 1435, 1476, 1506, 1722, 1757, 1845, 1890, 2214, 2259, 2460, 2510, 2583, 2870, 3012, 3444, 3514, 3690, 3765, 3780, 4305, 4428, 4518, 5020, 5166, 5271, 5535, 5740, 6777, 7028, 7380, 7530, 7749, 8610, 8785, 9036, 10291, 10332, 10542, 11070, 11295, 12915, 13554, 15060, 15498, 15813, 17220, 17570, 20582, 21084, 22140, 22590, 25830, 26355, 27108, 30873, 30996, 31626, 33885, 35140, 38745, 41164, 45180, 47439, 51455, 51660, 52710, 61746, 63252, 67770, 72037, 77490, 79065, 92619, 94878, 102910, 105420, 123492, 135540, 144074, 154365, 154980, 158130, 185238, 189756, 205820, 216111, 237195, 277857, 288148, 308730, 316260, 360185, 370476, 432222, 463095, 474390, 555714, 617460, 648333, 720370, 864444, 926190, 948780, 1080555, 1111428, 1296666, 1389285, 1440740, 1852380, 1944999, 2161110, 2593332, 2778570, 3241665, 3889998, 4322220, 5557140, 6483330, 7779996, 9724995, 12966660, 19449990, 38899980]

約数ペア:

[(1, 38899980), (2, 19449990), (3, 12966660), (4, 9724995), (5, 7779996), (6, 6483330), (7, 5557140), (9, 4322220), (10, 3889998), (12, 3241665), (14, 2778570), (15, 2593332), (18, 2161110), (20, 1944999), (21, 1852380), (27, 1440740), (28, 1389285), (30, 1296666), (35, 1111428), (36, 1080555), (41, 948780), (42, 926190), (45, 864444), (54, 720370), (60, 648333), (63, 617460), (70, 555714), (82, 474390), (84, 463095), (90, 432222), (105, 370476), (108, 360185), (123, 316260), (126, 308730), (135, 288148), (140, 277857), (164, 237195), (180, 216111), (189, 205820), (205, 189756), (210, 185238), (246, 158130), (251, 154980), (252, 154365), (270, 144074), (287, 135540), (315, 123492), (369, 105420), (378, 102910), (410, 94878), (420, 92619), (492, 79065), (502, 77490), (540, 72037), (574, 67770), (615, 63252), (630, 61746), (738, 52710), (753, 51660), (756, 51455), (820, 47439), (861, 45180), (945, 41164), (1004, 38745), (1107, 35140), (1148, 33885), (1230, 31626), (1255, 30996), (1260, 30873), (1435, 27108), (1476, 26355), (1506, 25830), (1722, 22590), (1757, 22140), (1845, 21084), (1890, 20582), (2214, 17570), (2259, 17220), (2460, 15813), (2510, 15498), (2583, 15060), (2870, 13554), (3012, 12915), (3444, 11295), (3514, 11070), (3690, 10542), (3765, 10332), (3780, 10291), (4305, 9036), (4428, 8785), (4518, 8610), (5020, 7749), (5166, 7530), (5271, 7380), (5535, 7028), (5740, 6777)]