128901720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34651}}^1$

素因数の和:34696

約数の個数: 64

約数和(自身を含む): 399191040

約数和(自身を除く): 270289320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 34651, 69302, 103953, 138604, 173255, 207906, 277208, 346510, 415812, 519765, 693020, 831624, 1039530, 1074181, 1386040, 2079060, 2148362, 3222543, 4158120, 4296724, 5370905, 6445086, 8593448, 10741810, 12890172, 16112715, 21483620, 25780344, 32225430, 42967240, 64450860, 128901720]

約数ペア:

[(1, 128901720), (2, 64450860), (3, 42967240), (4, 32225430), (5, 25780344), (6, 21483620), (8, 16112715), (10, 12890172), (12, 10741810), (15, 8593448), (20, 6445086), (24, 5370905), (30, 4296724), (31, 4158120), (40, 3222543), (60, 2148362), (62, 2079060), (93, 1386040), (120, 1074181), (124, 1039530), (155, 831624), (186, 693020), (248, 519765), (310, 415812), (372, 346510), (465, 277208), (620, 207906), (744, 173255), (930, 138604), (1240, 103953), (1860, 69302), (3720, 34651)]