727845720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5519}}^1$

素因数の和:5697

約数の個数: 128

約数和(自身を含む): 2511820800

約数和(自身を除く): 1783975080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 1099, 1256, 1570, 1884, 2198, 2355, 3140, 3297, 3768, 4396, 4710, 5495, 5519, 6280, 6594, 8792, 9420, 10990, 11038, 13188, 16485, 16557, 18840, 21980, 22076, 26376, 27595, 32970, 33114, 38633, 43960, 44152, 55190, 65940, 66228, 77266, 82785, 110380, 115899, 131880, 132456, 154532, 165570, 193165, 220760, 231798, 309064, 331140, 386330, 463596, 579495, 662280, 772660, 866483, 927192, 1158990, 1545320, 1732966, 2317980, 2599449, 3465932, 4332415, 4635960, 5198898, 6065381, 6931864, 8664830, 10397796, 12130762, 12997245, 17329660, 18196143, 20795592, 24261524, 25994490, 30326905, 34659320, 36392286, 48523048, 51988980, 60653810, 72784572, 90980715, 103977960, 121307620, 145569144, 181961430, 242615240, 363922860, 727845720]

約数ペア:

[(1, 727845720), (2, 363922860), (3, 242615240), (4, 181961430), (5, 145569144), (6, 121307620), (7, 103977960), (8, 90980715), (10, 72784572), (12, 60653810), (14, 51988980), (15, 48523048), (20, 36392286), (21, 34659320), (24, 30326905), (28, 25994490), (30, 24261524), (35, 20795592), (40, 18196143), (42, 17329660), (56, 12997245), (60, 12130762), (70, 10397796), (84, 8664830), (105, 6931864), (120, 6065381), (140, 5198898), (157, 4635960), (168, 4332415), (210, 3465932), (280, 2599449), (314, 2317980), (420, 1732966), (471, 1545320), (628, 1158990), (785, 927192), (840, 866483), (942, 772660), (1099, 662280), (1256, 579495), (1570, 463596), (1884, 386330), (2198, 331140), (2355, 309064), (3140, 231798), (3297, 220760), (3768, 193165), (4396, 165570), (4710, 154532), (5495, 132456), (5519, 131880), (6280, 115899), (6594, 110380), (8792, 82785), (9420, 77266), (10990, 66228), (11038, 65940), (13188, 55190), (16485, 44152), (16557, 43960), (18840, 38633), (21980, 33114), (22076, 32970), (26376, 27595)]