312511360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:988

約数の個数: 128

約数和(自身を含む): 865612800

約数和(自身を除く): 553101440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 280, 316, 320, 395, 448, 553, 560, 632, 640, 790, 883, 896, 1106, 1120, 1264, 1580, 1766, 2212, 2240, 2528, 2765, 3160, 3532, 4415, 4424, 4480, 5056, 5530, 6181, 6320, 7064, 8830, 8848, 10112, 11060, 12362, 12640, 14128, 17660, 17696, 22120, 24724, 25280, 28256, 30905, 35320, 35392, 44240, 49448, 50560, 56512, 61810, 69757, 70640, 70784, 88480, 98896, 113024, 123620, 139514, 141280, 176960, 197792, 247240, 279028, 282560, 348785, 353920, 395584, 488299, 494480, 558056, 565120, 697570, 791168, 976598, 988960, 1116112, 1395140, 1953196, 1977920, 2232224, 2441495, 2790280, 3906392, 3955840, 4464448, 4882990, 5580560, 7812784, 8928896, 9765980, 11161120, 15625568, 19531960, 22322240, 31251136, 39063920, 44644480, 62502272, 78127840, 156255680, 312511360]

約数ペア:

[(1, 312511360), (2, 156255680), (4, 78127840), (5, 62502272), (7, 44644480), (8, 39063920), (10, 31251136), (14, 22322240), (16, 19531960), (20, 15625568), (28, 11161120), (32, 9765980), (35, 8928896), (40, 7812784), (56, 5580560), (64, 4882990), (70, 4464448), (79, 3955840), (80, 3906392), (112, 2790280), (128, 2441495), (140, 2232224), (158, 1977920), (160, 1953196), (224, 1395140), (280, 1116112), (316, 988960), (320, 976598), (395, 791168), (448, 697570), (553, 565120), (560, 558056), (632, 494480), (640, 488299), (790, 395584), (883, 353920), (896, 348785), (1106, 282560), (1120, 279028), (1264, 247240), (1580, 197792), (1766, 176960), (2212, 141280), (2240, 139514), (2528, 123620), (2765, 113024), (3160, 98896), (3532, 88480), (4415, 70784), (4424, 70640), (4480, 69757), (5056, 61810), (5530, 56512), (6181, 50560), (6320, 49448), (7064, 44240), (8830, 35392), (8848, 35320), (10112, 30905), (11060, 28256), (12362, 25280), (12640, 24724), (14128, 22120), (17660, 17696)]