161315280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:303

約数の個数: 320

約数和(自身を含む): 651386880

約数和(自身を除く): 490071600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 94, 105, 108, 112, 120, 126, 135, 140, 141, 144, 168, 180, 188, 189, 210, 216, 227, 235, 240, 252, 270, 280, 282, 315, 329, 336, 360, 376, 378, 420, 423, 432, 454, 470, 504, 540, 560, 564, 630, 658, 681, 705, 720, 752, 756, 840, 846, 908, 940, 945, 987, 1008, 1080, 1128, 1135, 1260, 1269, 1316, 1362, 1410, 1512, 1589, 1645, 1680, 1692, 1816, 1880, 1890, 1974, 2043, 2115, 2160, 2256, 2270, 2520, 2538, 2632, 2724, 2820, 2961, 3024, 3178, 3290, 3384, 3405, 3632, 3760, 3780, 3948, 4086, 4230, 4540, 4767, 4935, 5040, 5076, 5264, 5448, 5640, 5922, 6129, 6345, 6356, 6580, 6768, 6810, 7560, 7896, 7945, 8172, 8460, 8883, 9080, 9534, 9870, 10152, 10215, 10669, 10896, 11280, 11844, 12258, 12690, 12712, 13160, 13620, 14301, 14805, 15120, 15792, 15890, 16344, 16920, 17766, 18160, 19068, 19740, 20304, 20430, 21338, 23688, 23835, 24516, 25380, 25424, 26320, 27240, 28602, 29610, 30645, 31780, 32007, 32688, 33840, 35532, 38136, 39480, 40860, 42676, 42903, 44415, 47376, 47670, 49032, 50760, 53345, 54480, 57204, 59220, 61290, 63560, 64014, 71064, 71505, 74683, 76272, 78960, 81720, 85352, 85806, 88830, 95340, 96021, 98064, 101520, 106690, 114408, 118440, 122580, 127120, 128028, 142128, 143010, 149366, 160035, 163440, 170704, 171612, 177660, 190680, 192042, 213380, 214515, 224049, 228816, 236880, 245160, 256056, 286020, 288063, 298732, 320070, 343224, 355320, 373415, 381360, 384084, 426760, 429030, 448098, 480105, 490320, 512112, 572040, 576126, 597464, 640140, 672147, 686448, 710640, 746830, 768168, 853520, 858060, 896196, 960210, 1120245, 1144080, 1152252, 1194928, 1280280, 1344294, 1440315, 1493660, 1536336, 1716120, 1792392, 1920420, 2016441, 2240490, 2304504, 2560560, 2688588, 2880630, 2987320, 3360735, 3432240, 3584784, 3840840, 4032882, 4480980, 4609008, 5377176, 5761260, 5974640, 6721470, 7681680, 8065764, 8961960, 10082205, 10754352, 11522520, 13442940, 16131528, 17923920, 20164410, 23045040, 26885880, 32263056, 40328820, 53771760, 80657640, 161315280]

約数ペア:

[(1, 161315280), (2, 80657640), (3, 53771760), (4, 40328820), (5, 32263056), (6, 26885880), (7, 23045040), (8, 20164410), (9, 17923920), (10, 16131528), (12, 13442940), (14, 11522520), (15, 10754352), (16, 10082205), (18, 8961960), (20, 8065764), (21, 7681680), (24, 6721470), (27, 5974640), (28, 5761260), (30, 5377176), (35, 4609008), (36, 4480980), (40, 4032882), (42, 3840840), (45, 3584784), (47, 3432240), (48, 3360735), (54, 2987320), (56, 2880630), (60, 2688588), (63, 2560560), (70, 2304504), (72, 2240490), (80, 2016441), (84, 1920420), (90, 1792392), (94, 1716120), (105, 1536336), (108, 1493660), (112, 1440315), (120, 1344294), (126, 1280280), (135, 1194928), (140, 1152252), (141, 1144080), (144, 1120245), (168, 960210), (180, 896196), (188, 858060), (189, 853520), (210, 768168), (216, 746830), (227, 710640), (235, 686448), (240, 672147), (252, 640140), (270, 597464), (280, 576126), (282, 572040), (315, 512112), (329, 490320), (336, 480105), (360, 448098), (376, 429030), (378, 426760), (420, 384084), (423, 381360), (432, 373415), (454, 355320), (470, 343224), (504, 320070), (540, 298732), (560, 288063), (564, 286020), (630, 256056), (658, 245160), (681, 236880), (705, 228816), (720, 224049), (752, 214515), (756, 213380), (840, 192042), (846, 190680), (908, 177660), (940, 171612), (945, 170704), (987, 163440), (1008, 160035), (1080, 149366), (1128, 143010), (1135, 142128), (1260, 128028), (1269, 127120), (1316, 122580), (1362, 118440), (1410, 114408), (1512, 106690), (1589, 101520), (1645, 98064), (1680, 96021), (1692, 95340), (1816, 88830), (1880, 85806), (1890, 85352), (1974, 81720), (2043, 78960), (2115, 76272), (2160, 74683), (2256, 71505), (2270, 71064), (2520, 64014), (2538, 63560), (2632, 61290), (2724, 59220), (2820, 57204), (2961, 54480), (3024, 53345), (3178, 50760), (3290, 49032), (3384, 47670), (3405, 47376), (3632, 44415), (3760, 42903), (3780, 42676), (3948, 40860), (4086, 39480), (4230, 38136), (4540, 35532), (4767, 33840), (4935, 32688), (5040, 32007), (5076, 31780), (5264, 30645), (5448, 29610), (5640, 28602), (5922, 27240), (6129, 26320), (6345, 25424), (6356, 25380), (6580, 24516), (6768, 23835), (6810, 23688), (7560, 21338), (7896, 20430), (7945, 20304), (8172, 19740), (8460, 19068), (8883, 18160), (9080, 17766), (9534, 16920), (9870, 16344), (10152, 15890), (10215, 15792), (10669, 15120), (10896, 14805), (11280, 14301), (11844, 13620), (12258, 13160), (12690, 12712)]