72725840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{683}}^1$

素因数の和:729

約数の個数: 80

約数和(自身を含む): 186255936

約数和(自身を除く): 113530096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 683, 880, 968, 1210, 1331, 1366, 1936, 2420, 2662, 2732, 3415, 4840, 5324, 5464, 6655, 6830, 7513, 9680, 10648, 10928, 13310, 13660, 15026, 21296, 26620, 27320, 30052, 37565, 53240, 54640, 60104, 75130, 82643, 106480, 120208, 150260, 165286, 300520, 330572, 413215, 601040, 661144, 826430, 909073, 1322288, 1652860, 1818146, 3305720, 3636292, 4545365, 6611440, 7272584, 9090730, 14545168, 18181460, 36362920, 72725840]

約数ペア:

[(1, 72725840), (2, 36362920), (4, 18181460), (5, 14545168), (8, 9090730), (10, 7272584), (11, 6611440), (16, 4545365), (20, 3636292), (22, 3305720), (40, 1818146), (44, 1652860), (55, 1322288), (80, 909073), (88, 826430), (110, 661144), (121, 601040), (176, 413215), (220, 330572), (242, 300520), (440, 165286), (484, 150260), (605, 120208), (683, 106480), (880, 82643), (968, 75130), (1210, 60104), (1331, 54640), (1366, 53240), (1936, 37565), (2420, 30052), (2662, 27320), (2732, 26620), (3415, 21296), (4840, 15026), (5324, 13660), (5464, 13310), (6655, 10928), (6830, 10648), (7513, 9680)]