1720427040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{132749}}^1$

素因数の和:132776

約数の個数: 120

約数和(自身を含む): 6071719500

約数和(自身を除く): 4351292460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 132749, 265498, 398247, 530996, 663745, 796494, 1061992, 1194741, 1327490, 1592988, 1991235, 2123984, 2389482, 2654980, 3185976, 3584223, 3982470, 4247968, 4778964, 5309960, 5973705, 6371952, 7168446, 7964940, 9557928, 10619920, 10752669, 11947410, 12743904, 14336892, 15929880, 17921115, 19115856, 21239840, 21505338, 23894820, 28673784, 31859760, 35842230, 38231712, 43010676, 47789640, 53763345, 57347568, 63719520, 71684460, 86021352, 95579280, 107526690, 114695136, 143368920, 172042704, 191158560, 215053380, 286737840, 344085408, 430106760, 573475680, 860213520, 1720427040]

約数ペア:

[(1, 1720427040), (2, 860213520), (3, 573475680), (4, 430106760), (5, 344085408), (6, 286737840), (8, 215053380), (9, 191158560), (10, 172042704), (12, 143368920), (15, 114695136), (16, 107526690), (18, 95579280), (20, 86021352), (24, 71684460), (27, 63719520), (30, 57347568), (32, 53763345), (36, 47789640), (40, 43010676), (45, 38231712), (48, 35842230), (54, 31859760), (60, 28673784), (72, 23894820), (80, 21505338), (81, 21239840), (90, 19115856), (96, 17921115), (108, 15929880), (120, 14336892), (135, 12743904), (144, 11947410), (160, 10752669), (162, 10619920), (180, 9557928), (216, 7964940), (240, 7168446), (270, 6371952), (288, 5973705), (324, 5309960), (360, 4778964), (405, 4247968), (432, 3982470), (480, 3584223), (540, 3185976), (648, 2654980), (720, 2389482), (810, 2123984), (864, 1991235), (1080, 1592988), (1296, 1327490), (1440, 1194741), (1620, 1061992), (2160, 796494), (2592, 663745), (3240, 530996), (4320, 398247), (6480, 265498), (12960, 132749)]