31909920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{9497}}^1$

素因数の和:9522

約数の個数: 96

約数和(自身を含む): 114887808

約数和(自身を除く): 82977888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 9497, 18994, 28491, 37988, 47485, 56982, 66479, 75976, 94970, 113964, 132958, 142455, 151952, 189940, 199437, 227928, 265916, 284910, 303904, 332395, 379880, 398874, 455856, 531832, 569820, 664790, 759760, 797748, 911712, 997185, 1063664, 1139640, 1329580, 1519520, 1595496, 1994370, 2127328, 2279280, 2659160, 3190992, 3988740, 4558560, 5318320, 6381984, 7977480, 10636640, 15954960, 31909920]

約数ペア:

[(1, 31909920), (2, 15954960), (3, 10636640), (4, 7977480), (5, 6381984), (6, 5318320), (7, 4558560), (8, 3988740), (10, 3190992), (12, 2659160), (14, 2279280), (15, 2127328), (16, 1994370), (20, 1595496), (21, 1519520), (24, 1329580), (28, 1139640), (30, 1063664), (32, 997185), (35, 911712), (40, 797748), (42, 759760), (48, 664790), (56, 569820), (60, 531832), (70, 455856), (80, 398874), (84, 379880), (96, 332395), (105, 303904), (112, 284910), (120, 265916), (140, 227928), (160, 199437), (168, 189940), (210, 151952), (224, 142455), (240, 132958), (280, 113964), (336, 94970), (420, 75976), (480, 66479), (560, 56982), (672, 47485), (840, 37988), (1120, 28491), (1680, 18994), (3360, 9497)]