1230891720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{78301}}^1$

素因数の和:78446

約数の個数: 64

約数和(自身を含む): 3720911040

約数和(自身を除く): 2490019320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 78301, 156602, 234903, 313204, 391505, 469806, 626408, 783010, 939612, 1174515, 1566020, 1879224, 2349030, 3132040, 4698060, 9396120, 10257431, 20514862, 30772293, 41029724, 51287155, 61544586, 82059448, 102574310, 123089172, 153861465, 205148620, 246178344, 307722930, 410297240, 615445860, 1230891720]

約数ペア:

[(1, 1230891720), (2, 615445860), (3, 410297240), (4, 307722930), (5, 246178344), (6, 205148620), (8, 153861465), (10, 123089172), (12, 102574310), (15, 82059448), (20, 61544586), (24, 51287155), (30, 41029724), (40, 30772293), (60, 20514862), (120, 10257431), (131, 9396120), (262, 4698060), (393, 3132040), (524, 2349030), (655, 1879224), (786, 1566020), (1048, 1174515), (1310, 939612), (1572, 783010), (1965, 626408), (2620, 469806), (3144, 391505), (3930, 313204), (5240, 234903), (7860, 156602), (15720, 78301)]