18743760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3719}}^1$

素因数の和:3745

約数の個数: 120

約数和(自身を含む): 71959680

約数和(自身を除く): 53215920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3719, 5040, 7438, 11157, 14876, 18595, 22314, 26033, 29752, 33471, 37190, 44628, 52066, 55785, 59504, 66942, 74380, 78099, 89256, 104132, 111570, 130165, 133884, 148760, 156198, 167355, 178512, 208264, 223140, 234297, 260330, 267768, 297520, 312396, 334710, 390495, 416528, 446280, 468594, 520660, 535536, 624792, 669420, 780990, 892560, 937188, 1041320, 1171485, 1249584, 1338840, 1561980, 1874376, 2082640, 2342970, 2677680, 3123960, 3748752, 4685940, 6247920, 9371880, 18743760]

約数ペア:

[(1, 18743760), (2, 9371880), (3, 6247920), (4, 4685940), (5, 3748752), (6, 3123960), (7, 2677680), (8, 2342970), (9, 2082640), (10, 1874376), (12, 1561980), (14, 1338840), (15, 1249584), (16, 1171485), (18, 1041320), (20, 937188), (21, 892560), (24, 780990), (28, 669420), (30, 624792), (35, 535536), (36, 520660), (40, 468594), (42, 446280), (45, 416528), (48, 390495), (56, 334710), (60, 312396), (63, 297520), (70, 267768), (72, 260330), (80, 234297), (84, 223140), (90, 208264), (105, 178512), (112, 167355), (120, 156198), (126, 148760), (140, 133884), (144, 130165), (168, 111570), (180, 104132), (210, 89256), (240, 78099), (252, 74380), (280, 66942), (315, 59504), (336, 55785), (360, 52066), (420, 44628), (504, 37190), (560, 33471), (630, 29752), (720, 26033), (840, 22314), (1008, 18595), (1260, 14876), (1680, 11157), (2520, 7438), (3719, 5040)]