64380160

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 171524304

約数和(自身を除く): 107144144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 73, 80, 104, 106, 128, 130, 146, 160, 208, 212, 256, 260, 265, 292, 320, 365, 416, 424, 520, 530, 584, 640, 689, 730, 832, 848, 949, 1040, 1060, 1168, 1280, 1378, 1460, 1664, 1696, 1898, 2080, 2120, 2336, 2756, 2920, 3328, 3392, 3445, 3796, 3869, 4160, 4240, 4672, 4745, 5512, 5840, 6784, 6890, 7592, 7738, 8320, 8480, 9344, 9490, 11024, 11680, 13568, 13780, 15184, 15476, 16640, 16960, 18688, 18980, 19345, 22048, 23360, 27560, 30368, 30952, 33920, 37960, 38690, 44096, 46720, 50297, 55120, 60736, 61904, 67840, 75920, 77380, 88192, 93440, 100594, 110240, 121472, 123808, 151840, 154760, 176384, 201188, 220480, 242944, 247616, 251485, 303680, 309520, 402376, 440960, 495232, 502970, 607360, 619040, 804752, 881920, 990464, 1005940, 1214720, 1238080, 1609504, 2011880, 2476160, 3219008, 4023760, 4952320, 6438016, 8047520, 12876032, 16095040, 32190080, 64380160]

約数ペア:

[(1, 64380160), (2, 32190080), (4, 16095040), (5, 12876032), (8, 8047520), (10, 6438016), (13, 4952320), (16, 4023760), (20, 3219008), (26, 2476160), (32, 2011880), (40, 1609504), (52, 1238080), (53, 1214720), (64, 1005940), (65, 990464), (73, 881920), (80, 804752), (104, 619040), (106, 607360), (128, 502970), (130, 495232), (146, 440960), (160, 402376), (208, 309520), (212, 303680), (256, 251485), (260, 247616), (265, 242944), (292, 220480), (320, 201188), (365, 176384), (416, 154760), (424, 151840), (520, 123808), (530, 121472), (584, 110240), (640, 100594), (689, 93440), (730, 88192), (832, 77380), (848, 75920), (949, 67840), (1040, 61904), (1060, 60736), (1168, 55120), (1280, 50297), (1378, 46720), (1460, 44096), (1664, 38690), (1696, 37960), (1898, 33920), (2080, 30952), (2120, 30368), (2336, 27560), (2756, 23360), (2920, 22048), (3328, 19345), (3392, 18980), (3445, 18688), (3796, 16960), (3869, 16640), (4160, 15476), (4240, 15184), (4672, 13780), (4745, 13568), (5512, 11680), (5840, 11024), (6784, 9490), (6890, 9344), (7592, 8480), (7738, 8320)]