81805032

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:708

約数の個数: 128

約数和(自身を含む): 247296000

約数和(自身を除く): 165490968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 31, 36, 38, 54, 57, 62, 72, 76, 93, 108, 114, 124, 152, 171, 186, 216, 228, 248, 279, 342, 372, 456, 513, 558, 589, 643, 684, 744, 837, 1026, 1116, 1178, 1286, 1368, 1674, 1767, 1929, 2052, 2232, 2356, 2572, 3348, 3534, 3858, 4104, 4712, 5144, 5301, 5787, 6696, 7068, 7716, 10602, 11574, 12217, 14136, 15432, 15903, 17361, 19933, 21204, 23148, 24434, 31806, 34722, 36651, 39866, 42408, 46296, 48868, 59799, 63612, 69444, 73302, 79732, 97736, 109953, 119598, 127224, 138888, 146604, 159464, 179397, 219906, 239196, 293208, 329859, 358794, 378727, 439812, 478392, 538191, 659718, 717588, 757454, 879624, 1076382, 1136181, 1319436, 1435176, 1514908, 2152764, 2272362, 2638872, 3029816, 3408543, 4305528, 4544724, 6817086, 9089448, 10225629, 13634172, 20451258, 27268344, 40902516, 81805032]

約数ペア:

[(1, 81805032), (2, 40902516), (3, 27268344), (4, 20451258), (6, 13634172), (8, 10225629), (9, 9089448), (12, 6817086), (18, 4544724), (19, 4305528), (24, 3408543), (27, 3029816), (31, 2638872), (36, 2272362), (38, 2152764), (54, 1514908), (57, 1435176), (62, 1319436), (72, 1136181), (76, 1076382), (93, 879624), (108, 757454), (114, 717588), (124, 659718), (152, 538191), (171, 478392), (186, 439812), (216, 378727), (228, 358794), (248, 329859), (279, 293208), (342, 239196), (372, 219906), (456, 179397), (513, 159464), (558, 146604), (589, 138888), (643, 127224), (684, 119598), (744, 109953), (837, 97736), (1026, 79732), (1116, 73302), (1178, 69444), (1286, 63612), (1368, 59799), (1674, 48868), (1767, 46296), (1929, 42408), (2052, 39866), (2232, 36651), (2356, 34722), (2572, 31806), (3348, 24434), (3534, 23148), (3858, 21204), (4104, 19933), (4712, 17361), (5144, 15903), (5301, 15432), (5787, 14136), (6696, 12217), (7068, 11574), (7716, 10602)]