221331840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6781}}^1$

素因数の和:6820

約数の個数: 128

約数和(自身を含む): 747105120

約数和(自身を除く): 525773280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 6781, 8160, 10880, 13562, 16320, 20343, 27124, 32640, 33905, 40686, 54248, 67810, 81372, 101715, 108496, 115277, 135620, 162744, 203430, 216992, 230554, 271240, 325488, 345831, 406860, 433984, 461108, 542480, 576385, 650976, 691662, 813720, 867968, 922216, 1084960, 1152770, 1301952, 1383324, 1627440, 1729155, 1844432, 2169920, 2305540, 2603904, 2766648, 3254880, 3458310, 3688864, 4339840, 4611080, 5533296, 6509760, 6916620, 7377728, 9222160, 11066592, 13019520, 13833240, 14755456, 18444320, 22133184, 27666480, 36888640, 44266368, 55332960, 73777280, 110665920, 221331840]

約数ペア:

[(1, 221331840), (2, 110665920), (3, 73777280), (4, 55332960), (5, 44266368), (6, 36888640), (8, 27666480), (10, 22133184), (12, 18444320), (15, 14755456), (16, 13833240), (17, 13019520), (20, 11066592), (24, 9222160), (30, 7377728), (32, 6916620), (34, 6509760), (40, 5533296), (48, 4611080), (51, 4339840), (60, 3688864), (64, 3458310), (68, 3254880), (80, 2766648), (85, 2603904), (96, 2305540), (102, 2169920), (120, 1844432), (128, 1729155), (136, 1627440), (160, 1383324), (170, 1301952), (192, 1152770), (204, 1084960), (240, 922216), (255, 867968), (272, 813720), (320, 691662), (340, 650976), (384, 576385), (408, 542480), (480, 461108), (510, 433984), (544, 406860), (640, 345831), (680, 325488), (816, 271240), (960, 230554), (1020, 216992), (1088, 203430), (1360, 162744), (1632, 135620), (1920, 115277), (2040, 108496), (2176, 101715), (2720, 81372), (3264, 67810), (4080, 54248), (5440, 40686), (6528, 33905), (6781, 32640), (8160, 27124), (10880, 20343), (13562, 16320)]