80027120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 204070272

約数和(自身を除く): 124043152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 61, 62, 80, 92, 115, 122, 124, 155, 184, 230, 244, 248, 305, 310, 368, 460, 488, 496, 529, 610, 620, 713, 920, 976, 1058, 1220, 1240, 1403, 1426, 1840, 1891, 2116, 2440, 2480, 2645, 2806, 2852, 3565, 3782, 4232, 4880, 5290, 5612, 5704, 7015, 7130, 7564, 8464, 9455, 10580, 11224, 11408, 14030, 14260, 15128, 16399, 18910, 21160, 22448, 28060, 28520, 30256, 32269, 32798, 37820, 42320, 43493, 56120, 57040, 64538, 65596, 75640, 81995, 86986, 112240, 129076, 131192, 151280, 161345, 163990, 173972, 217465, 258152, 262384, 322690, 327980, 347944, 434930, 516304, 645380, 655960, 695888, 869860, 1000339, 1290760, 1311920, 1739720, 2000678, 2581520, 3479440, 4001356, 5001695, 8002712, 10003390, 16005424, 20006780, 40013560, 80027120]

約数ペア:

[(1, 80027120), (2, 40013560), (4, 20006780), (5, 16005424), (8, 10003390), (10, 8002712), (16, 5001695), (20, 4001356), (23, 3479440), (31, 2581520), (40, 2000678), (46, 1739720), (61, 1311920), (62, 1290760), (80, 1000339), (92, 869860), (115, 695888), (122, 655960), (124, 645380), (155, 516304), (184, 434930), (230, 347944), (244, 327980), (248, 322690), (305, 262384), (310, 258152), (368, 217465), (460, 173972), (488, 163990), (496, 161345), (529, 151280), (610, 131192), (620, 129076), (713, 112240), (920, 86986), (976, 81995), (1058, 75640), (1220, 65596), (1240, 64538), (1403, 57040), (1426, 56120), (1840, 43493), (1891, 42320), (2116, 37820), (2440, 32798), (2480, 32269), (2645, 30256), (2806, 28520), (2852, 28060), (3565, 22448), (3782, 21160), (4232, 18910), (4880, 16399), (5290, 15128), (5612, 14260), (5704, 14030), (7015, 11408), (7130, 11224), (7564, 10580), (8464, 9455)]