71237880

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{349}}^1$

素因数の和:385

約数の個数: 224

約数和(自身を含む): 275436000

約数和(自身を除く): 204198120

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, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 349, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 698, 729, 756, 810, 840, 945, 972, 1047, 1080, 1134, 1215, 1260, 1396, 1458, 1512, 1620, 1701, 1745, 1890, 1944, 2094, 2268, 2430, 2443, 2520, 2792, 2835, 2916, 3141, 3240, 3402, 3490, 3645, 3780, 4188, 4536, 4860, 4886, 5103, 5235, 5670, 5832, 6282, 6804, 6980, 7290, 7329, 7560, 8376, 8505, 9423, 9720, 9772, 10206, 10470, 11340, 12215, 12564, 13608, 13960, 14580, 14658, 15705, 17010, 18846, 19544, 20412, 20940, 21987, 22680, 24430, 25128, 25515, 28269, 29160, 29316, 31410, 34020, 36645, 37692, 40824, 41880, 43974, 47115, 48860, 51030, 56538, 58632, 62820, 65961, 68040, 73290, 75384, 84807, 87948, 94230, 97720, 102060, 109935, 113076, 125640, 131922, 141345, 146580, 169614, 175896, 188460, 197883, 204120, 219870, 226152, 254421, 263844, 282690, 293160, 329805, 339228, 376920, 395766, 424035, 439740, 508842, 527688, 565380, 593649, 659610, 678456, 791532, 848070, 879480, 989415, 1017684, 1130760, 1187298, 1272105, 1319220, 1583064, 1696140, 1780947, 1978830, 2035368, 2374596, 2544210, 2638440, 2968245, 3392280, 3561894, 3957660, 4749192, 5088420, 5936490, 7123788, 7915320, 8904735, 10176840, 11872980, 14247576, 17809470, 23745960, 35618940, 71237880]

約数ペア:

[(1, 71237880), (2, 35618940), (3, 23745960), (4, 17809470), (5, 14247576), (6, 11872980), (7, 10176840), (8, 8904735), (9, 7915320), (10, 7123788), (12, 5936490), (14, 5088420), (15, 4749192), (18, 3957660), (20, 3561894), (21, 3392280), (24, 2968245), (27, 2638440), (28, 2544210), (30, 2374596), (35, 2035368), (36, 1978830), (40, 1780947), (42, 1696140), (45, 1583064), (54, 1319220), (56, 1272105), (60, 1187298), (63, 1130760), (70, 1017684), (72, 989415), (81, 879480), (84, 848070), (90, 791532), (105, 678456), (108, 659610), (120, 593649), (126, 565380), (135, 527688), (140, 508842), (162, 439740), (168, 424035), (180, 395766), (189, 376920), (210, 339228), (216, 329805), (243, 293160), (252, 282690), (270, 263844), (280, 254421), (315, 226152), (324, 219870), (349, 204120), (360, 197883), (378, 188460), (405, 175896), (420, 169614), (486, 146580), (504, 141345), (540, 131922), (567, 125640), (630, 113076), (648, 109935), (698, 102060), (729, 97720), (756, 94230), (810, 87948), (840, 84807), (945, 75384), (972, 73290), (1047, 68040), (1080, 65961), (1134, 62820), (1215, 58632), (1260, 56538), (1396, 51030), (1458, 48860), (1512, 47115), (1620, 43974), (1701, 41880), (1745, 40824), (1890, 37692), (1944, 36645), (2094, 34020), (2268, 31410), (2430, 29316), (2443, 29160), (2520, 28269), (2792, 25515), (2835, 25128), (2916, 24430), (3141, 22680), (3240, 21987), (3402, 20940), (3490, 20412), (3645, 19544), (3780, 18846), (4188, 17010), (4536, 15705), (4860, 14658), (4886, 14580), (5103, 13960), (5235, 13608), (5670, 12564), (5832, 12215), (6282, 11340), (6804, 10470), (6980, 10206), (7290, 9772), (7329, 9720), (7560, 9423), (8376, 8505)]