215463240

素因数分解:

$2^3\times 3^8\times 5^1\times {\mathrm{821}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 728037180

約数和(自身を除く): 512573940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 821, 972, 1080, 1215, 1458, 1620, 1642, 1944, 2187, 2430, 2463, 2916, 3240, 3284, 3645, 4105, 4374, 4860, 4926, 5832, 6561, 6568, 7290, 7389, 8210, 8748, 9720, 9852, 10935, 12315, 13122, 14580, 14778, 16420, 17496, 19704, 21870, 22167, 24630, 26244, 29160, 29556, 32805, 32840, 36945, 43740, 44334, 49260, 52488, 59112, 65610, 66501, 73890, 87480, 88668, 98520, 110835, 131220, 133002, 147780, 177336, 199503, 221670, 262440, 266004, 295560, 332505, 399006, 443340, 532008, 598509, 665010, 798012, 886680, 997515, 1197018, 1330020, 1596024, 1795527, 1995030, 2394036, 2660040, 2992545, 3591054, 3990060, 4788072, 5386581, 5985090, 7182108, 7980120, 8977635, 10773162, 11970180, 14364216, 17955270, 21546324, 23940360, 26932905, 35910540, 43092648, 53865810, 71821080, 107731620, 215463240]

約数ペア:

[(1, 215463240), (2, 107731620), (3, 71821080), (4, 53865810), (5, 43092648), (6, 35910540), (8, 26932905), (9, 23940360), (10, 21546324), (12, 17955270), (15, 14364216), (18, 11970180), (20, 10773162), (24, 8977635), (27, 7980120), (30, 7182108), (36, 5985090), (40, 5386581), (45, 4788072), (54, 3990060), (60, 3591054), (72, 2992545), (81, 2660040), (90, 2394036), (108, 1995030), (120, 1795527), (135, 1596024), (162, 1330020), (180, 1197018), (216, 997515), (243, 886680), (270, 798012), (324, 665010), (360, 598509), (405, 532008), (486, 443340), (540, 399006), (648, 332505), (729, 295560), (810, 266004), (821, 262440), (972, 221670), (1080, 199503), (1215, 177336), (1458, 147780), (1620, 133002), (1642, 131220), (1944, 110835), (2187, 98520), (2430, 88668), (2463, 87480), (2916, 73890), (3240, 66501), (3284, 65610), (3645, 59112), (4105, 52488), (4374, 49260), (4860, 44334), (4926, 43740), (5832, 36945), (6561, 32840), (6568, 32805), (7290, 29556), (7389, 29160), (8210, 26244), (8748, 24630), (9720, 22167), (9852, 21870), (10935, 19704), (12315, 17496), (13122, 16420), (14580, 14778)]