72205944

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 199034880

約数和(自身を除く): 126828936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 37, 43, 61, 62, 74, 86, 93, 111, 122, 124, 129, 148, 172, 183, 186, 222, 244, 248, 258, 296, 344, 366, 372, 444, 488, 516, 732, 744, 888, 1032, 1147, 1333, 1464, 1591, 1891, 2257, 2294, 2623, 2666, 3182, 3441, 3782, 3999, 4514, 4588, 4773, 5246, 5332, 5673, 6364, 6771, 6882, 7564, 7869, 7998, 9028, 9176, 9546, 10492, 10664, 11346, 12728, 13542, 13764, 15128, 15738, 15996, 18056, 19092, 20984, 22692, 27084, 27528, 31476, 31992, 38184, 45384, 49321, 54168, 62952, 69967, 81313, 97051, 98642, 139934, 147963, 162626, 194102, 197284, 209901, 243939, 279868, 291153, 295926, 325252, 388204, 394568, 419802, 487878, 559736, 582306, 591852, 650504, 776408, 839604, 975756, 1164612, 1183704, 1679208, 1951512, 2329224, 3008581, 6017162, 9025743, 12034324, 18051486, 24068648, 36102972, 72205944]

約数ペア:

[(1, 72205944), (2, 36102972), (3, 24068648), (4, 18051486), (6, 12034324), (8, 9025743), (12, 6017162), (24, 3008581), (31, 2329224), (37, 1951512), (43, 1679208), (61, 1183704), (62, 1164612), (74, 975756), (86, 839604), (93, 776408), (111, 650504), (122, 591852), (124, 582306), (129, 559736), (148, 487878), (172, 419802), (183, 394568), (186, 388204), (222, 325252), (244, 295926), (248, 291153), (258, 279868), (296, 243939), (344, 209901), (366, 197284), (372, 194102), (444, 162626), (488, 147963), (516, 139934), (732, 98642), (744, 97051), (888, 81313), (1032, 69967), (1147, 62952), (1333, 54168), (1464, 49321), (1591, 45384), (1891, 38184), (2257, 31992), (2294, 31476), (2623, 27528), (2666, 27084), (3182, 22692), (3441, 20984), (3782, 19092), (3999, 18056), (4514, 15996), (4588, 15738), (4773, 15128), (5246, 13764), (5332, 13542), (5673, 12728), (6364, 11346), (6771, 10664), (6882, 10492), (7564, 9546), (7869, 9176), (7998, 9028)]