64319640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6961}}^1$

素因数の和:6993

約数の個数: 128

約数和(自身を含む): 240606720

約数和(自身を除く): 176287080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 6961, 9240, 13922, 20883, 27844, 34805, 41766, 48727, 55688, 69610, 76571, 83532, 97454, 104415, 139220, 146181, 153142, 167064, 194908, 208830, 229713, 243635, 278440, 292362, 306284, 382855, 389816, 417660, 459426, 487270, 535997, 584724, 612568, 730905, 765710, 835320, 918852, 974540, 1071994, 1148565, 1169448, 1461810, 1531420, 1607991, 1837704, 1949080, 2143988, 2297130, 2679985, 2923620, 3062840, 3215982, 4287976, 4594260, 5359970, 5847240, 6431964, 8039955, 9188520, 10719940, 12863928, 16079910, 21439880, 32159820, 64319640]

約数ペア:

[(1, 64319640), (2, 32159820), (3, 21439880), (4, 16079910), (5, 12863928), (6, 10719940), (7, 9188520), (8, 8039955), (10, 6431964), (11, 5847240), (12, 5359970), (14, 4594260), (15, 4287976), (20, 3215982), (21, 3062840), (22, 2923620), (24, 2679985), (28, 2297130), (30, 2143988), (33, 1949080), (35, 1837704), (40, 1607991), (42, 1531420), (44, 1461810), (55, 1169448), (56, 1148565), (60, 1071994), (66, 974540), (70, 918852), (77, 835320), (84, 765710), (88, 730905), (105, 612568), (110, 584724), (120, 535997), (132, 487270), (140, 459426), (154, 417660), (165, 389816), (168, 382855), (210, 306284), (220, 292362), (231, 278440), (264, 243635), (280, 229713), (308, 208830), (330, 194908), (385, 167064), (420, 153142), (440, 146181), (462, 139220), (616, 104415), (660, 97454), (770, 83532), (840, 76571), (924, 69610), (1155, 55688), (1320, 48727), (1540, 41766), (1848, 34805), (2310, 27844), (3080, 20883), (4620, 13922), (6961, 9240)]