55877220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 197154048

約数和(自身を除く): 141276828

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 727, 732, 854, 915, 1098, 1220, 1260, 1281, 1454, 1708, 1830, 2135, 2181, 2196, 2562, 2745, 2908, 3635, 3660, 3843, 4270, 4362, 5089, 5124, 5490, 6405, 6543, 7270, 7686, 8540, 8724, 10178, 10905, 10980, 12810, 13086, 14540, 15267, 15372, 19215, 20356, 21810, 25445, 25620, 26172, 30534, 32715, 38430, 43620, 44347, 45801, 50890, 61068, 65430, 76335, 76860, 88694, 91602, 101780, 130860, 133041, 152670, 177388, 183204, 221735, 229005, 266082, 305340, 310429, 399123, 443470, 458010, 532164, 620858, 665205, 798246, 886940, 916020, 931287, 1241716, 1330410, 1552145, 1596492, 1862574, 1995615, 2660820, 2793861, 3104290, 3725148, 3991230, 4656435, 5587722, 6208580, 7982460, 9312870, 11175444, 13969305, 18625740, 27938610, 55877220]

約数ペア:

[(1, 55877220), (2, 27938610), (3, 18625740), (4, 13969305), (5, 11175444), (6, 9312870), (7, 7982460), (9, 6208580), (10, 5587722), (12, 4656435), (14, 3991230), (15, 3725148), (18, 3104290), (20, 2793861), (21, 2660820), (28, 1995615), (30, 1862574), (35, 1596492), (36, 1552145), (42, 1330410), (45, 1241716), (60, 931287), (61, 916020), (63, 886940), (70, 798246), (84, 665205), (90, 620858), (105, 532164), (122, 458010), (126, 443470), (140, 399123), (180, 310429), (183, 305340), (210, 266082), (244, 229005), (252, 221735), (305, 183204), (315, 177388), (366, 152670), (420, 133041), (427, 130860), (549, 101780), (610, 91602), (630, 88694), (727, 76860), (732, 76335), (854, 65430), (915, 61068), (1098, 50890), (1220, 45801), (1260, 44347), (1281, 43620), (1454, 38430), (1708, 32715), (1830, 30534), (2135, 26172), (2181, 25620), (2196, 25445), (2562, 21810), (2745, 20356), (2908, 19215), (3635, 15372), (3660, 15267), (3843, 14540), (4270, 13086), (4362, 12810), (5089, 10980), (5124, 10905), (5490, 10178), (6405, 8724), (6543, 8540), (7270, 7686)]