30255540

素因数分解:

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

素因数の和:318

約数の個数: 144

約数和(自身を含む): 101352384

約数和(自身を除く): 71096844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 251, 287, 294, 410, 420, 490, 492, 502, 574, 588, 615, 735, 753, 820, 861, 980, 1004, 1148, 1230, 1255, 1435, 1470, 1506, 1722, 1757, 2009, 2460, 2510, 2870, 2940, 3012, 3444, 3514, 3765, 4018, 4305, 5020, 5271, 5740, 6027, 7028, 7530, 8036, 8610, 8785, 10045, 10291, 10542, 12054, 12299, 15060, 17220, 17570, 20090, 20582, 21084, 24108, 24598, 26355, 30135, 30873, 35140, 36897, 40180, 41164, 49196, 51455, 52710, 60270, 61495, 61746, 72037, 73794, 102910, 105420, 120540, 122990, 123492, 144074, 147588, 154365, 184485, 205820, 216111, 245980, 288148, 308730, 360185, 368970, 432222, 504259, 617460, 720370, 737940, 864444, 1008518, 1080555, 1440740, 1512777, 2017036, 2161110, 2521295, 3025554, 4322220, 5042590, 6051108, 7563885, 10085180, 15127770, 30255540]

約数ペア:

[(1, 30255540), (2, 15127770), (3, 10085180), (4, 7563885), (5, 6051108), (6, 5042590), (7, 4322220), (10, 3025554), (12, 2521295), (14, 2161110), (15, 2017036), (20, 1512777), (21, 1440740), (28, 1080555), (30, 1008518), (35, 864444), (41, 737940), (42, 720370), (49, 617460), (60, 504259), (70, 432222), (82, 368970), (84, 360185), (98, 308730), (105, 288148), (123, 245980), (140, 216111), (147, 205820), (164, 184485), (196, 154365), (205, 147588), (210, 144074), (245, 123492), (246, 122990), (251, 120540), (287, 105420), (294, 102910), (410, 73794), (420, 72037), (490, 61746), (492, 61495), (502, 60270), (574, 52710), (588, 51455), (615, 49196), (735, 41164), (753, 40180), (820, 36897), (861, 35140), (980, 30873), (1004, 30135), (1148, 26355), (1230, 24598), (1255, 24108), (1435, 21084), (1470, 20582), (1506, 20090), (1722, 17570), (1757, 17220), (2009, 15060), (2460, 12299), (2510, 12054), (2870, 10542), (2940, 10291), (3012, 10045), (3444, 8785), (3514, 8610), (3765, 8036), (4018, 7530), (4305, 7028), (5020, 6027), (5271, 5740)]