721211088

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{2609}}^1$

素因数の和:3076

約数の個数: 80

約数和(自身を含む): 2011746240

約数和(自身を除く): 1290535152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 443, 624, 886, 1329, 1772, 2609, 2658, 3544, 5218, 5316, 5759, 7088, 7827, 10436, 10632, 11518, 15654, 17277, 20872, 21264, 23036, 31308, 33917, 34554, 41744, 46072, 62616, 67834, 69108, 92144, 101751, 125232, 135668, 138216, 203502, 271336, 276432, 407004, 542672, 814008, 1155787, 1628016, 2311574, 3467361, 4623148, 6934722, 9246296, 13869444, 15025231, 18492592, 27738888, 30050462, 45075693, 55477776, 60100924, 90151386, 120201848, 180302772, 240403696, 360605544, 721211088]

約数ペア:

[(1, 721211088), (2, 360605544), (3, 240403696), (4, 180302772), (6, 120201848), (8, 90151386), (12, 60100924), (13, 55477776), (16, 45075693), (24, 30050462), (26, 27738888), (39, 18492592), (48, 15025231), (52, 13869444), (78, 9246296), (104, 6934722), (156, 4623148), (208, 3467361), (312, 2311574), (443, 1628016), (624, 1155787), (886, 814008), (1329, 542672), (1772, 407004), (2609, 276432), (2658, 271336), (3544, 203502), (5218, 138216), (5316, 135668), (5759, 125232), (7088, 101751), (7827, 92144), (10436, 69108), (10632, 67834), (11518, 62616), (15654, 46072), (17277, 41744), (20872, 34554), (21264, 33917), (23036, 31308)]