164823960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1081

約数の個数: 128

約数和(自身を含む): 568166400

約数和(自身を除く): 403342440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 717, 821, 840, 956, 1195, 1434, 1642, 1673, 1912, 2390, 2463, 2868, 3284, 3346, 3585, 4105, 4780, 4926, 5019, 5736, 5747, 6568, 6692, 7170, 8210, 8365, 9560, 9852, 10038, 11494, 12315, 13384, 14340, 16420, 16730, 17241, 19704, 20076, 22988, 24630, 25095, 28680, 28735, 32840, 33460, 34482, 40152, 45976, 49260, 50190, 57470, 66920, 68964, 86205, 98520, 100380, 114940, 137928, 172410, 196219, 200760, 229880, 344820, 392438, 588657, 689640, 784876, 981095, 1177314, 1373533, 1569752, 1962190, 2354628, 2747066, 2943285, 3924380, 4120599, 4709256, 5494132, 5886570, 6867665, 7848760, 8241198, 10988264, 11773140, 13735330, 16482396, 20602995, 23546280, 27470660, 32964792, 41205990, 54941320, 82411980, 164823960]

約数ペア:

[(1, 164823960), (2, 82411980), (3, 54941320), (4, 41205990), (5, 32964792), (6, 27470660), (7, 23546280), (8, 20602995), (10, 16482396), (12, 13735330), (14, 11773140), (15, 10988264), (20, 8241198), (21, 7848760), (24, 6867665), (28, 5886570), (30, 5494132), (35, 4709256), (40, 4120599), (42, 3924380), (56, 2943285), (60, 2747066), (70, 2354628), (84, 1962190), (105, 1569752), (120, 1373533), (140, 1177314), (168, 981095), (210, 784876), (239, 689640), (280, 588657), (420, 392438), (478, 344820), (717, 229880), (821, 200760), (840, 196219), (956, 172410), (1195, 137928), (1434, 114940), (1642, 100380), (1673, 98520), (1912, 86205), (2390, 68964), (2463, 66920), (2868, 57470), (3284, 50190), (3346, 49260), (3585, 45976), (4105, 40152), (4780, 34482), (4926, 33460), (5019, 32840), (5736, 28735), (5747, 28680), (6568, 25095), (6692, 24630), (7170, 22988), (8210, 20076), (8365, 19704), (9560, 17241), (9852, 16730), (10038, 16420), (11494, 14340), (12315, 13384)]