20808897840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{99317}}^1$

素因数の和:99436

約数の個数: 160

約数和(自身を含む): 72414740160

約数和(自身を除く): 51605842320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 97, 108, 120, 135, 144, 180, 194, 216, 240, 270, 291, 360, 388, 432, 485, 540, 582, 720, 776, 873, 970, 1080, 1164, 1455, 1552, 1746, 1940, 2160, 2328, 2619, 2910, 3492, 3880, 4365, 4656, 5238, 5820, 6984, 7760, 8730, 10476, 11640, 13095, 13968, 17460, 20952, 23280, 26190, 34920, 41904, 52380, 69840, 99317, 104760, 198634, 209520, 297951, 397268, 496585, 595902, 794536, 893853, 993170, 1191804, 1489755, 1589072, 1787706, 1986340, 2383608, 2681559, 2979510, 3575412, 3972680, 4469265, 4767216, 5363118, 5959020, 7150824, 7945360, 8938530, 9633749, 10726236, 11918040, 13407795, 14301648, 17877060, 19267498, 21452472, 23836080, 26815590, 28901247, 35754120, 38534996, 42904944, 48168745, 53631180, 57802494, 71508240, 77069992, 86703741, 96337490, 107262360, 115604988, 144506235, 154139984, 173407482, 192674980, 214524720, 231209976, 260111223, 289012470, 346814964, 385349960, 433518705, 462419952, 520222446, 578024940, 693629928, 770699920, 867037410, 1040444892, 1156049880, 1300556115, 1387259856, 1734074820, 2080889784, 2312099760, 2601112230, 3468149640, 4161779568, 5202224460, 6936299280, 10404448920, 20808897840]

約数ペア:

[(1, 20808897840), (2, 10404448920), (3, 6936299280), (4, 5202224460), (5, 4161779568), (6, 3468149640), (8, 2601112230), (9, 2312099760), (10, 2080889784), (12, 1734074820), (15, 1387259856), (16, 1300556115), (18, 1156049880), (20, 1040444892), (24, 867037410), (27, 770699920), (30, 693629928), (36, 578024940), (40, 520222446), (45, 462419952), (48, 433518705), (54, 385349960), (60, 346814964), (72, 289012470), (80, 260111223), (90, 231209976), (97, 214524720), (108, 192674980), (120, 173407482), (135, 154139984), (144, 144506235), (180, 115604988), (194, 107262360), (216, 96337490), (240, 86703741), (270, 77069992), (291, 71508240), (360, 57802494), (388, 53631180), (432, 48168745), (485, 42904944), (540, 38534996), (582, 35754120), (720, 28901247), (776, 26815590), (873, 23836080), (970, 21452472), (1080, 19267498), (1164, 17877060), (1455, 14301648), (1552, 13407795), (1746, 11918040), (1940, 10726236), (2160, 9633749), (2328, 8938530), (2619, 7945360), (2910, 7150824), (3492, 5959020), (3880, 5363118), (4365, 4767216), (4656, 4469265), (5238, 3972680), (5820, 3575412), (6984, 2979510), (7760, 2681559), (8730, 2383608), (10476, 1986340), (11640, 1787706), (13095, 1589072), (13968, 1489755), (17460, 1191804), (20952, 993170), (23280, 893853), (26190, 794536), (34920, 595902), (41904, 496585), (52380, 397268), (69840, 297951), (99317, 209520), (104760, 198634)]