31211040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{1327}}^1$

素因数の和:1359

約数の個数: 144

約数和(自身を含む): 114452352

約数和(自身を除く): 83241312

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1327, 1470, 1568, 1680, 1960, 2352, 2654, 2940, 3360, 3920, 3981, 4704, 5308, 5880, 6635, 7840, 7962, 9289, 10616, 11760, 13270, 15924, 18578, 19905, 21232, 23520, 26540, 27867, 31848, 37156, 39810, 42464, 46445, 53080, 55734, 63696, 65023, 74312, 79620, 92890, 106160, 111468, 127392, 130046, 139335, 148624, 159240, 185780, 195069, 212320, 222936, 260092, 278670, 297248, 318480, 325115, 371560, 390138, 445872, 520184, 557340, 636960, 650230, 743120, 780276, 891744, 975345, 1040368, 1114680, 1300460, 1486240, 1560552, 1950690, 2080736, 2229360, 2600920, 3121104, 3901380, 4458720, 5201840, 6242208, 7802760, 10403680, 15605520, 31211040]

約数ペア:

[(1, 31211040), (2, 15605520), (3, 10403680), (4, 7802760), (5, 6242208), (6, 5201840), (7, 4458720), (8, 3901380), (10, 3121104), (12, 2600920), (14, 2229360), (15, 2080736), (16, 1950690), (20, 1560552), (21, 1486240), (24, 1300460), (28, 1114680), (30, 1040368), (32, 975345), (35, 891744), (40, 780276), (42, 743120), (48, 650230), (49, 636960), (56, 557340), (60, 520184), (70, 445872), (80, 390138), (84, 371560), (96, 325115), (98, 318480), (105, 297248), (112, 278670), (120, 260092), (140, 222936), (147, 212320), (160, 195069), (168, 185780), (196, 159240), (210, 148624), (224, 139335), (240, 130046), (245, 127392), (280, 111468), (294, 106160), (336, 92890), (392, 79620), (420, 74312), (480, 65023), (490, 63696), (560, 55734), (588, 53080), (672, 46445), (735, 42464), (784, 39810), (840, 37156), (980, 31848), (1120, 27867), (1176, 26540), (1327, 23520), (1470, 21232), (1568, 19905), (1680, 18578), (1960, 15924), (2352, 13270), (2654, 11760), (2940, 10616), (3360, 9289), (3920, 7962), (3981, 7840), (4704, 6635), (5308, 5880)]