1978280655120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{23773}}^1$

素因数の和:23908

約数の個数: 960

約数和(自身を含む): 8829777715200

約数和(自身を除く): 6851497060080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 19, 20, 21, 22, 24, 28, 30, 33, 35, 36, 38, 40, 42, 44, 45, 48, 55, 56, 57, 60, 63, 66, 70, 72, 76, 77, 79, 80, 84, 88, 90, 95, 99, 105, 110, 112, 114, 120, 126, 132, 133, 140, 144, 152, 154, 158, 165, 168, 171, 176, 180, 190, 198, 209, 210, 220, 228, 231, 237, 240, 252, 264, 266, 280, 285, 304, 308, 315, 316, 330, 336, 342, 360, 380, 385, 395, 396, 399, 418, 420, 440, 456, 462, 474, 495, 504, 528, 532, 553, 560, 570, 616, 627, 630, 632, 660, 665, 684, 693, 711, 720, 760, 770, 790, 792, 798, 836, 840, 855, 869, 880, 912, 924, 948, 990, 1008, 1045, 1064, 1106, 1140, 1155, 1185, 1197, 1232, 1254, 1260, 1264, 1320, 1330, 1368, 1386, 1422, 1463, 1501, 1520, 1540, 1580, 1584, 1596, 1659, 1672, 1680, 1710, 1738, 1848, 1881, 1896, 1980, 1995, 2090, 2128, 2212, 2280, 2310, 2370, 2394, 2508, 2520, 2607, 2640, 2660, 2736, 2765, 2772, 2844, 2926, 3002, 3080, 3135, 3160, 3192, 3318, 3344, 3420, 3465, 3476, 3555, 3696, 3762, 3792, 3960, 3990, 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約数ペア:

[(1, 1978280655120), (2, 989140327560), (3, 659426885040), (4, 494570163780), (5, 395656131024), (6, 329713442520), (7, 282611522160), (8, 247285081890), (9, 219808961680), (10, 197828065512), (11, 179843695920), (12, 164856721260), (14, 141305761080), (15, 131885377008), (16, 123642540945), (18, 109904480840), (19, 104120034480), (20, 98914032756), (21, 94203840720), (22, 89921847960), (24, 82428360630), (28, 70652880540), (30, 65942688504), (33, 59947898640), (35, 56522304432), (36, 54952240420), (38, 52060017240), (40, 49457016378), (42, 47101920360), (44, 44960923980), (45, 43961792336), (48, 41214180315), (55, 35968739184), (56, 35326440270), (57, 34706678160), (60, 32971344252), (63, 31401280240), (66, 29973949320), (70, 28261152216), (72, 27476120210), (76, 26030008620), (77, 25691956560), (79, 25041527280), (80, 24728508189), (84, 23550960180), (88, 22480461990), (90, 21980896168), (95, 20824006896), (99, 19982632880), (105, 18840768144), (110, 17984369592), (112, 17663220135), 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