129230320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 313694208

約数和(自身を除く): 184463888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 107, 124, 155, 214, 248, 310, 428, 487, 496, 535, 620, 856, 974, 1070, 1240, 1712, 1948, 2140, 2435, 2480, 3317, 3896, 4280, 4870, 6634, 7792, 8560, 9740, 13268, 15097, 16585, 19480, 26536, 30194, 33170, 38960, 52109, 53072, 60388, 66340, 75485, 104218, 120776, 132680, 150970, 208436, 241552, 260545, 265360, 301940, 416872, 521090, 603880, 833744, 1042180, 1207760, 1615379, 2084360, 3230758, 4168720, 6461516, 8076895, 12923032, 16153790, 25846064, 32307580, 64615160, 129230320]

約数ペア:

[(1, 129230320), (2, 64615160), (4, 32307580), (5, 25846064), (8, 16153790), (10, 12923032), (16, 8076895), (20, 6461516), (31, 4168720), (40, 3230758), (62, 2084360), (80, 1615379), (107, 1207760), (124, 1042180), (155, 833744), (214, 603880), (248, 521090), (310, 416872), (428, 301940), (487, 265360), (496, 260545), (535, 241552), (620, 208436), (856, 150970), (974, 132680), (1070, 120776), (1240, 104218), (1712, 75485), (1948, 66340), (2140, 60388), (2435, 53072), (2480, 52109), (3317, 38960), (3896, 33170), (4280, 30194), (4870, 26536), (6634, 19480), (7792, 16585), (8560, 15097), (9740, 13268)]