31872120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2037

約数の個数: 128

約数和(自身を含む): 115084800

約数和(自身を除く): 83212680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 1997, 2280, 2660, 3192, 3990, 3994, 5320, 5991, 7980, 7988, 9985, 11982, 13979, 15960, 15976, 19970, 23964, 27958, 29955, 37943, 39940, 41937, 47928, 55916, 59910, 69895, 75886, 79880, 83874, 111832, 113829, 119820, 139790, 151772, 167748, 189715, 209685, 227658, 239640, 265601, 279580, 303544, 335496, 379430, 419370, 455316, 531202, 559160, 569145, 758860, 796803, 838740, 910632, 1062404, 1138290, 1328005, 1517720, 1593606, 1677480, 2124808, 2276580, 2656010, 3187212, 3984015, 4553160, 5312020, 6374424, 7968030, 10624040, 15936060, 31872120]

約数ペア:

[(1, 31872120), (2, 15936060), (3, 10624040), (4, 7968030), (5, 6374424), (6, 5312020), (7, 4553160), (8, 3984015), (10, 3187212), (12, 2656010), (14, 2276580), (15, 2124808), (19, 1677480), (20, 1593606), (21, 1517720), (24, 1328005), (28, 1138290), (30, 1062404), (35, 910632), (38, 838740), (40, 796803), (42, 758860), (56, 569145), (57, 559160), (60, 531202), (70, 455316), (76, 419370), (84, 379430), (95, 335496), (105, 303544), (114, 279580), (120, 265601), (133, 239640), (140, 227658), (152, 209685), (168, 189715), (190, 167748), (210, 151772), (228, 139790), (266, 119820), (280, 113829), (285, 111832), (380, 83874), (399, 79880), (420, 75886), (456, 69895), (532, 59910), (570, 55916), (665, 47928), (760, 41937), (798, 39940), (840, 37943), (1064, 29955), (1140, 27958), (1330, 23964), (1596, 19970), (1995, 15976), (1997, 15960), (2280, 13979), (2660, 11982), (3192, 9985), (3990, 7988), (3994, 7980), (5320, 5991)]