221131440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{733}}^1$

素因数の和:1171

約数の個数: 120

約数和(自身を含む): 745421040

約数和(自身を除く): 524289600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 419, 720, 733, 838, 1257, 1466, 1676, 2095, 2199, 2514, 2932, 3352, 3665, 3771, 4190, 4398, 5028, 5864, 6285, 6597, 6704, 7330, 7542, 8380, 8796, 10056, 10995, 11728, 12570, 13194, 14660, 15084, 16760, 17592, 18855, 20112, 21990, 25140, 26388, 29320, 30168, 32985, 33520, 35184, 37710, 43980, 50280, 52776, 58640, 60336, 65970, 75420, 87960, 100560, 105552, 131940, 150840, 175920, 263880, 301680, 307127, 527760, 614254, 921381, 1228508, 1535635, 1842762, 2457016, 2764143, 3071270, 3685524, 4606905, 4914032, 5528286, 6142540, 7371048, 9213810, 11056572, 12285080, 13820715, 14742096, 18427620, 22113144, 24570160, 27641430, 36855240, 44226288, 55282860, 73710480, 110565720, 221131440]

約数ペア:

[(1, 221131440), (2, 110565720), (3, 73710480), (4, 55282860), (5, 44226288), (6, 36855240), (8, 27641430), (9, 24570160), (10, 22113144), (12, 18427620), (15, 14742096), (16, 13820715), (18, 12285080), (20, 11056572), (24, 9213810), (30, 7371048), (36, 6142540), (40, 5528286), (45, 4914032), (48, 4606905), (60, 3685524), (72, 3071270), (80, 2764143), (90, 2457016), (120, 1842762), (144, 1535635), (180, 1228508), (240, 921381), (360, 614254), (419, 527760), (720, 307127), (733, 301680), (838, 263880), (1257, 175920), (1466, 150840), (1676, 131940), (2095, 105552), (2199, 100560), (2514, 87960), (2932, 75420), (3352, 65970), (3665, 60336), (3771, 58640), (4190, 52776), (4398, 50280), (5028, 43980), (5864, 37710), (6285, 35184), (6597, 33520), (6704, 32985), (7330, 30168), (7542, 29320), (8380, 26388), (8796, 25140), (10056, 21990), (10995, 20112), (11728, 18855), (12570, 17592), (13194, 16760), (14660, 15084)]