821144520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2311}}^1$

素因数の和:2385

約数の個数: 256

約数和(自身を含む): 3196108800

約数和(自身を除く): 2374964280

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, 235, 252, 270, 280, 282, 315, 329, 360, 376, 378, 420, 423, 470, 504, 540, 564, 630, 658, 705, 756, 840, 846, 940, 945, 987, 1080, 1128, 1260, 1269, 1316, 1410, 1512, 1645, 1692, 1880, 1890, 1974, 2115, 2311, 2520, 2538, 2632, 2820, 2961, 3290, 3384, 3780, 3948, 4230, 4622, 4935, 5076, 5640, 5922, 6345, 6580, 6933, 7560, 7896, 8460, 8883, 9244, 9870, 10152, 11555, 11844, 12690, 13160, 13866, 14805, 16177, 16920, 17766, 18488, 19740, 20799, 23110, 23688, 25380, 27732, 29610, 32354, 34665, 35532, 39480, 41598, 44415, 46220, 48531, 50760, 55464, 59220, 62397, 64708, 69330, 71064, 80885, 83196, 88830, 92440, 97062, 103995, 108617, 118440, 124794, 129416, 138660, 145593, 161770, 166392, 177660, 194124, 207990, 217234, 242655, 249588, 277320, 291186, 311985, 323540, 325851, 355320, 388248, 415980, 434468, 436779, 485310, 499176, 543085, 582372, 623970, 647080, 651702, 727965, 760319, 831960, 868936, 873558, 970620, 977553, 1086170, 1164744, 1247940, 1303404, 1455930, 1520638, 1629255, 1747116, 1941240, 1955106, 2172340, 2183895, 2280957, 2495880, 2606808, 2911860, 2932659, 3041276, 3258510, 3494232, 3801595, 3910212, 4344680, 4367790, 4561914, 4887765, 5823720, 5865318, 6082552, 6517020, 6842871, 7603190, 7820424, 8735580, 9123828, 9775530, 11404785, 11730636, 13034040, 13685742, 14663295, 15206380, 17471160, 18247656, 19551060, 20528613, 22809570, 23461272, 27371484, 29326590, 30412760, 34214355, 39102120, 41057226, 45619140, 54742968, 58653180, 68428710, 82114452, 91238280, 102643065, 117306360, 136857420, 164228904, 205286130, 273714840, 410572260, 821144520]

約数ペア:

[(1, 821144520), (2, 410572260), (3, 273714840), (4, 205286130), (5, 164228904), (6, 136857420), (7, 117306360), (8, 102643065), (9, 91238280), (10, 82114452), (12, 68428710), (14, 58653180), (15, 54742968), (18, 45619140), (20, 41057226), (21, 39102120), (24, 34214355), (27, 30412760), (28, 29326590), (30, 27371484), (35, 23461272), (36, 22809570), (40, 20528613), (42, 19551060), (45, 18247656), (47, 17471160), (54, 15206380), (56, 14663295), (60, 13685742), (63, 13034040), (70, 11730636), (72, 11404785), (84, 9775530), (90, 9123828), (94, 8735580), (105, 7820424), (108, 7603190), (120, 6842871), (126, 6517020), (135, 6082552), (140, 5865318), (141, 5823720), (168, 4887765), (180, 4561914), (188, 4367790), (189, 4344680), (210, 3910212), (216, 3801595), (235, 3494232), (252, 3258510), (270, 3041276), (280, 2932659), (282, 2911860), (315, 2606808), (329, 2495880), (360, 2280957), (376, 2183895), (378, 2172340), (420, 1955106), (423, 1941240), (470, 1747116), (504, 1629255), (540, 1520638), (564, 1455930), (630, 1303404), (658, 1247940), (705, 1164744), (756, 1086170), (840, 977553), (846, 970620), (940, 873558), (945, 868936), (987, 831960), (1080, 760319), (1128, 727965), (1260, 651702), (1269, 647080), (1316, 623970), (1410, 582372), (1512, 543085), (1645, 499176), (1692, 485310), (1880, 436779), (1890, 434468), (1974, 415980), (2115, 388248), (2311, 355320), (2520, 325851), (2538, 323540), (2632, 311985), (2820, 291186), (2961, 277320), (3290, 249588), (3384, 242655), (3780, 217234), (3948, 207990), (4230, 194124), (4622, 177660), (4935, 166392), (5076, 161770), (5640, 145593), (5922, 138660), (6345, 129416), (6580, 124794), (6933, 118440), (7560, 108617), (7896, 103995), (8460, 97062), (8883, 92440), (9244, 88830), (9870, 83196), (10152, 80885), (11555, 71064), (11844, 69330), (12690, 64708), (13160, 62397), (13866, 59220), (14805, 55464), (16177, 50760), (16920, 48531), (17766, 46220), (18488, 44415), (19740, 41598), (20799, 39480), (23110, 35532), (23688, 34665), (25380, 32354), (27732, 29610)]