31571160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 101779200

約数和(自身を除く): 70208040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 61, 76, 95, 114, 120, 122, 152, 183, 190, 227, 228, 244, 285, 305, 366, 380, 454, 456, 488, 570, 610, 681, 732, 760, 908, 915, 1135, 1140, 1159, 1220, 1362, 1464, 1816, 1830, 2270, 2280, 2318, 2440, 2724, 3405, 3477, 3660, 4313, 4540, 4636, 5448, 5795, 6810, 6954, 7320, 8626, 9080, 9272, 11590, 12939, 13620, 13847, 13908, 17252, 17385, 21565, 23180, 25878, 27240, 27694, 27816, 34504, 34770, 41541, 43130, 46360, 51756, 55388, 64695, 69235, 69540, 83082, 86260, 103512, 110776, 129390, 138470, 139080, 166164, 172520, 207705, 258780, 263093, 276940, 332328, 415410, 517560, 526186, 553880, 789279, 830820, 1052372, 1315465, 1578558, 1661640, 2104744, 2630930, 3157116, 3946395, 5261860, 6314232, 7892790, 10523720, 15785580, 31571160]

約数ペア:

[(1, 31571160), (2, 15785580), (3, 10523720), (4, 7892790), (5, 6314232), (6, 5261860), (8, 3946395), (10, 3157116), (12, 2630930), (15, 2104744), (19, 1661640), (20, 1578558), (24, 1315465), (30, 1052372), (38, 830820), (40, 789279), (57, 553880), (60, 526186), (61, 517560), (76, 415410), (95, 332328), (114, 276940), (120, 263093), (122, 258780), (152, 207705), (183, 172520), (190, 166164), (227, 139080), (228, 138470), (244, 129390), (285, 110776), (305, 103512), (366, 86260), (380, 83082), (454, 69540), (456, 69235), (488, 64695), (570, 55388), (610, 51756), (681, 46360), (732, 43130), (760, 41541), (908, 34770), (915, 34504), (1135, 27816), (1140, 27694), (1159, 27240), (1220, 25878), (1362, 23180), (1464, 21565), (1816, 17385), (1830, 17252), (2270, 13908), (2280, 13847), (2318, 13620), (2440, 12939), (2724, 11590), (3405, 9272), (3477, 9080), (3660, 8626), (4313, 7320), (4540, 6954), (4636, 6810), (5448, 5795)]