311299520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4483}}^1$

素因数の和:4538

約数の個数: 112

約数和(自身を含む): 874702848

約数和(自身を除く): 563403328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4483, 4960, 6944, 8680, 8966, 9920, 13888, 17360, 17932, 22415, 31381, 34720, 35864, 44830, 62762, 69440, 71728, 89660, 125524, 138973, 143456, 156905, 179320, 251048, 277946, 286912, 313810, 358640, 502096, 555892, 627620, 694865, 717280, 972811, 1004192, 1111784, 1255240, 1389730, 1434560, 1945622, 2008384, 2223568, 2510480, 2779460, 3891244, 4447136, 4864055, 5020960, 5558920, 7782488, 8894272, 9728110, 10041920, 11117840, 15564976, 19456220, 22235680, 31129952, 38912440, 44471360, 62259904, 77824880, 155649760, 311299520]

約数ペア:

[(1, 311299520), (2, 155649760), (4, 77824880), (5, 62259904), (7, 44471360), (8, 38912440), (10, 31129952), (14, 22235680), (16, 19456220), (20, 15564976), (28, 11117840), (31, 10041920), (32, 9728110), (35, 8894272), (40, 7782488), (56, 5558920), (62, 5020960), (64, 4864055), (70, 4447136), (80, 3891244), (112, 2779460), (124, 2510480), (140, 2223568), (155, 2008384), (160, 1945622), (217, 1434560), (224, 1389730), (248, 1255240), (280, 1111784), (310, 1004192), (320, 972811), (434, 717280), (448, 694865), (496, 627620), (560, 555892), (620, 502096), (868, 358640), (992, 313810), (1085, 286912), (1120, 277946), (1240, 251048), (1736, 179320), (1984, 156905), (2170, 143456), (2240, 138973), (2480, 125524), (3472, 89660), (4340, 71728), (4483, 69440), (4960, 62762), (6944, 44830), (8680, 35864), (8966, 34720), (9920, 31381), (13888, 22415), (17360, 17932)]