123420240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{57139}}^1$

素因数の和:57161

約数の個数: 80

約数和(自身を含む): 425121600

約数和(自身を除く): 301701360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 57139, 114278, 171417, 228556, 285695, 342834, 457112, 514251, 571390, 685668, 857085, 914224, 1028502, 1142780, 1371336, 1542753, 1714170, 2057004, 2285560, 2571255, 2742672, 3085506, 3428340, 4114008, 4571120, 5142510, 6171012, 6856680, 7713765, 8228016, 10285020, 12342024, 13713360, 15427530, 20570040, 24684048, 30855060, 41140080, 61710120, 123420240]

約数ペア:

[(1, 123420240), (2, 61710120), (3, 41140080), (4, 30855060), (5, 24684048), (6, 20570040), (8, 15427530), (9, 13713360), (10, 12342024), (12, 10285020), (15, 8228016), (16, 7713765), (18, 6856680), (20, 6171012), (24, 5142510), (27, 4571120), (30, 4114008), (36, 3428340), (40, 3085506), (45, 2742672), (48, 2571255), (54, 2285560), (60, 2057004), (72, 1714170), (80, 1542753), (90, 1371336), (108, 1142780), (120, 1028502), (135, 914224), (144, 857085), (180, 685668), (216, 571390), (240, 514251), (270, 457112), (360, 342834), (432, 285695), (540, 228556), (720, 171417), (1080, 114278), (2160, 57139)]