640476072

素因数分解:

$2^3\times 3^7\times {\mathrm{36607}}^1$

素因数の和:36634

約数の個数: 64

約数和(自身を含む): 1801113600

約数和(自身を除く): 1160637528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2187, 2916, 4374, 5832, 8748, 17496, 36607, 73214, 109821, 146428, 219642, 292856, 329463, 439284, 658926, 878568, 988389, 1317852, 1976778, 2635704, 2965167, 3953556, 5930334, 7907112, 8895501, 11860668, 17791002, 23721336, 26686503, 35582004, 53373006, 71164008, 80059509, 106746012, 160119018, 213492024, 320238036, 640476072]

約数ペア:

[(1, 640476072), (2, 320238036), (3, 213492024), (4, 160119018), (6, 106746012), (8, 80059509), (9, 71164008), (12, 53373006), (18, 35582004), (24, 26686503), (27, 23721336), (36, 17791002), (54, 11860668), (72, 8895501), (81, 7907112), (108, 5930334), (162, 3953556), (216, 2965167), (243, 2635704), (324, 1976778), (486, 1317852), (648, 988389), (729, 878568), (972, 658926), (1458, 439284), (1944, 329463), (2187, 292856), (2916, 219642), (4374, 146428), (5832, 109821), (8748, 73214), (17496, 36607)]