2556197680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1563

約数の個数: 120

約数和(自身を含む): 6379640784

約数和(自身を除く): 3823443104

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 361, 380, 488, 610, 722, 760, 976, 1159, 1220, 1444, 1451, 1520, 1805, 2318, 2440, 2888, 2902, 3610, 4636, 4880, 5776, 5795, 5804, 7220, 7255, 9272, 11590, 11608, 14440, 14510, 18544, 22021, 23180, 23216, 27569, 28880, 29020, 44042, 46360, 55138, 58040, 88084, 88511, 92720, 110105, 110276, 116080, 137845, 176168, 177022, 220210, 220552, 275690, 352336, 354044, 440420, 441104, 442555, 523811, 551380, 708088, 880840, 885110, 1047622, 1102760, 1416176, 1681709, 1761680, 1770220, 2095244, 2205520, 2619055, 3363418, 3540440, 4190488, 5238110, 6726836, 7080880, 8380976, 8408545, 10476220, 13453672, 16817090, 20952440, 26907344, 31952471, 33634180, 41904880, 63904942, 67268360, 127809884, 134536720, 159762355, 255619768, 319524710, 511239536, 639049420, 1278098840, 2556197680]

約数ペア:

[(1, 2556197680), (2, 1278098840), (4, 639049420), (5, 511239536), (8, 319524710), (10, 255619768), (16, 159762355), (19, 134536720), (20, 127809884), (38, 67268360), (40, 63904942), (61, 41904880), (76, 33634180), (80, 31952471), (95, 26907344), (122, 20952440), (152, 16817090), (190, 13453672), (244, 10476220), (304, 8408545), (305, 8380976), (361, 7080880), (380, 6726836), (488, 5238110), (610, 4190488), (722, 3540440), (760, 3363418), (976, 2619055), (1159, 2205520), (1220, 2095244), (1444, 1770220), (1451, 1761680), (1520, 1681709), (1805, 1416176), (2318, 1102760), (2440, 1047622), (2888, 885110), (2902, 880840), (3610, 708088), (4636, 551380), (4880, 523811), (5776, 442555), (5795, 441104), (5804, 440420), (7220, 354044), (7255, 352336), (9272, 275690), (11590, 220552), (11608, 220210), (14440, 177022), (14510, 176168), (18544, 137845), (22021, 116080), (23180, 110276), (23216, 110105), (27569, 92720), (28880, 88511), (29020, 88084), (44042, 58040), (46360, 55138)]