80657640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 256

約数和(自身を含む): 315187200

約数和(自身を除く): 234529560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 54, 56, 60, 63, 70, 72, 84, 90, 94, 105, 108, 120, 126, 135, 140, 141, 168, 180, 188, 189, 210, 216, 227, 235, 252, 270, 280, 282, 315, 329, 360, 376, 378, 420, 423, 454, 470, 504, 540, 564, 630, 658, 681, 705, 756, 840, 846, 908, 940, 945, 987, 1080, 1128, 1135, 1260, 1269, 1316, 1362, 1410, 1512, 1589, 1645, 1692, 1816, 1880, 1890, 1974, 2043, 2115, 2270, 2520, 2538, 2632, 2724, 2820, 2961, 3178, 3290, 3384, 3405, 3780, 3948, 4086, 4230, 4540, 4767, 4935, 5076, 5448, 5640, 5922, 6129, 6345, 6356, 6580, 6810, 7560, 7896, 7945, 8172, 8460, 8883, 9080, 9534, 9870, 10152, 10215, 10669, 11844, 12258, 12690, 12712, 13160, 13620, 14301, 14805, 15890, 16344, 16920, 17766, 19068, 19740, 20430, 21338, 23688, 23835, 24516, 25380, 27240, 28602, 29610, 30645, 31780, 32007, 35532, 38136, 39480, 40860, 42676, 42903, 44415, 47670, 49032, 50760, 53345, 57204, 59220, 61290, 63560, 64014, 71064, 71505, 74683, 81720, 85352, 85806, 88830, 95340, 96021, 106690, 114408, 118440, 122580, 128028, 143010, 149366, 160035, 171612, 177660, 190680, 192042, 213380, 214515, 224049, 245160, 256056, 286020, 288063, 298732, 320070, 343224, 355320, 373415, 384084, 426760, 429030, 448098, 480105, 572040, 576126, 597464, 640140, 672147, 746830, 768168, 858060, 896196, 960210, 1120245, 1152252, 1280280, 1344294, 1440315, 1493660, 1716120, 1792392, 1920420, 2016441, 2240490, 2304504, 2688588, 2880630, 2987320, 3360735, 3840840, 4032882, 4480980, 5377176, 5761260, 6721470, 8065764, 8961960, 10082205, 11522520, 13442940, 16131528, 20164410, 26885880, 40328820, 80657640]

約数ペア:

[(1, 80657640), (2, 40328820), (3, 26885880), (4, 20164410), (5, 16131528), (6, 13442940), (7, 11522520), (8, 10082205), (9, 8961960), (10, 8065764), (12, 6721470), (14, 5761260), (15, 5377176), (18, 4480980), (20, 4032882), (21, 3840840), (24, 3360735), (27, 2987320), (28, 2880630), (30, 2688588), (35, 2304504), (36, 2240490), (40, 2016441), (42, 1920420), (45, 1792392), (47, 1716120), (54, 1493660), (56, 1440315), (60, 1344294), (63, 1280280), (70, 1152252), (72, 1120245), (84, 960210), (90, 896196), (94, 858060), (105, 768168), (108, 746830), (120, 672147), (126, 640140), (135, 597464), (140, 576126), (141, 572040), (168, 480105), (180, 448098), (188, 429030), (189, 426760), (210, 384084), (216, 373415), (227, 355320), (235, 343224), (252, 320070), (270, 298732), (280, 288063), (282, 286020), (315, 256056), (329, 245160), (360, 224049), (376, 214515), (378, 213380), (420, 192042), (423, 190680), (454, 177660), (470, 171612), (504, 160035), (540, 149366), (564, 143010), (630, 128028), (658, 122580), (681, 118440), (705, 114408), (756, 106690), (840, 96021), (846, 95340), (908, 88830), (940, 85806), (945, 85352), (987, 81720), (1080, 74683), (1128, 71505), (1135, 71064), (1260, 64014), (1269, 63560), (1316, 61290), (1362, 59220), (1410, 57204), (1512, 53345), (1589, 50760), (1645, 49032), (1692, 47670), (1816, 44415), (1880, 42903), (1890, 42676), (1974, 40860), (2043, 39480), (2115, 38136), (2270, 35532), (2520, 32007), (2538, 31780), (2632, 30645), (2724, 29610), (2820, 28602), (2961, 27240), (3178, 25380), (3290, 24516), (3384, 23835), (3405, 23688), (3780, 21338), (3948, 20430), (4086, 19740), (4230, 19068), (4540, 17766), (4767, 16920), (4935, 16344), (5076, 15890), (5448, 14805), (5640, 14301), (5922, 13620), (6129, 13160), (6345, 12712), (6356, 12690), (6580, 12258), (6810, 11844), (7560, 10669), (7896, 10215), (7945, 10152), (8172, 9870), (8460, 9534), (8883, 9080)]