2116779560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:771

約数の個数: 128

約数和(自身を含む): 5547398400

約数和(自身を除く): 3430618840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 173, 178, 280, 346, 356, 445, 491, 623, 692, 712, 865, 890, 982, 1211, 1246, 1384, 1730, 1780, 1964, 2422, 2455, 2492, 3115, 3437, 3460, 3560, 3928, 4844, 4910, 4984, 6055, 6230, 6874, 6920, 9688, 9820, 12110, 12460, 13748, 15397, 17185, 19640, 24220, 24920, 27496, 30794, 34370, 43699, 48440, 61588, 68740, 76985, 84943, 87398, 107779, 123176, 137480, 153970, 169886, 174796, 215558, 218495, 305893, 307940, 339772, 349592, 424715, 431116, 436990, 538895, 594601, 611786, 615880, 679544, 849430, 862232, 873980, 1077790, 1189202, 1223572, 1529465, 1698860, 1747960, 2155580, 2378404, 2447144, 2973005, 3058930, 3397720, 4311160, 4756808, 5946010, 6117860, 7559927, 11892020, 12235720, 15119854, 23784040, 30239708, 37799635, 52919489, 60479416, 75599270, 105838978, 151198540, 211677956, 264597445, 302397080, 423355912, 529194890, 1058389780, 2116779560]

約数ペア:

[(1, 2116779560), (2, 1058389780), (4, 529194890), (5, 423355912), (7, 302397080), (8, 264597445), (10, 211677956), (14, 151198540), (20, 105838978), (28, 75599270), (35, 60479416), (40, 52919489), (56, 37799635), (70, 30239708), (89, 23784040), (140, 15119854), (173, 12235720), (178, 11892020), (280, 7559927), (346, 6117860), (356, 5946010), (445, 4756808), (491, 4311160), (623, 3397720), (692, 3058930), (712, 2973005), (865, 2447144), (890, 2378404), (982, 2155580), (1211, 1747960), (1246, 1698860), (1384, 1529465), (1730, 1223572), (1780, 1189202), (1964, 1077790), (2422, 873980), (2455, 862232), (2492, 849430), (3115, 679544), (3437, 615880), (3460, 611786), (3560, 594601), (3928, 538895), (4844, 436990), (4910, 431116), (4984, 424715), (6055, 349592), (6230, 339772), (6874, 307940), (6920, 305893), (9688, 218495), (9820, 215558), (12110, 174796), (12460, 169886), (13748, 153970), (15397, 137480), (17185, 123176), (19640, 107779), (24220, 87398), (24920, 84943), (27496, 76985), (30794, 68740), (34370, 61588), (43699, 48440)]