28100520

素因数分解:

$2^3\times 3^5\times 5^1\times 7^2\times {\mathrm{59}}^1$

素因数の和:99

約数の個数: 288

約数和(自身を含む): 112039200

約数和(自身を除く): 83938680

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, 49, 54, 56, 59, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 118, 120, 126, 135, 140, 147, 162, 168, 177, 180, 189, 196, 210, 216, 236, 243, 245, 252, 270, 280, 294, 295, 315, 324, 354, 360, 378, 392, 405, 413, 420, 441, 472, 486, 490, 504, 531, 540, 567, 588, 590, 630, 648, 708, 735, 756, 810, 826, 840, 882, 885, 945, 972, 980, 1062, 1080, 1134, 1176, 1180, 1215, 1239, 1260, 1323, 1416, 1470, 1512, 1593, 1620, 1652, 1701, 1764, 1770, 1890, 1944, 1960, 2065, 2124, 2205, 2268, 2360, 2430, 2478, 2520, 2646, 2655, 2835, 2891, 2940, 3186, 3240, 3304, 3402, 3528, 3540, 3717, 3780, 3969, 4130, 4248, 4410, 4536, 4779, 4860, 4956, 5292, 5310, 5670, 5782, 5880, 6195, 6372, 6615, 6804, 7080, 7434, 7560, 7938, 7965, 8260, 8505, 8673, 8820, 9558, 9720, 9912, 10584, 10620, 11151, 11340, 11564, 11907, 12390, 12744, 13230, 13608, 14337, 14455, 14868, 15876, 15930, 16520, 17010, 17346, 17640, 18585, 19116, 19845, 21240, 22302, 22680, 23128, 23814, 23895, 24780, 26019, 26460, 28674, 28910, 29736, 31752, 31860, 33453, 34020, 34692, 37170, 38232, 39690, 43365, 44604, 47628, 47790, 49560, 52038, 52920, 55755, 57348, 57820, 59535, 63720, 66906, 68040, 69384, 71685, 74340, 78057, 79380, 86730, 89208, 95256, 95580, 100359, 104076, 111510, 114696, 115640, 119070, 130095, 133812, 143370, 148680, 156114, 158760, 167265, 173460, 191160, 200718, 208152, 223020, 234171, 238140, 260190, 267624, 286740, 312228, 334530, 346920, 390285, 401436, 446040, 468342, 476280, 501795, 520380, 573480, 624456, 669060, 702513, 780570, 802872, 936684, 1003590, 1040760, 1170855, 1338120, 1405026, 1561140, 1873368, 2007180, 2341710, 2810052, 3122280, 3512565, 4014360, 4683420, 5620104, 7025130, 9366840, 14050260, 28100520]

約数ペア:

[(1, 28100520), (2, 14050260), (3, 9366840), (4, 7025130), (5, 5620104), (6, 4683420), (7, 4014360), (8, 3512565), (9, 3122280), (10, 2810052), (12, 2341710), (14, 2007180), (15, 1873368), (18, 1561140), (20, 1405026), (21, 1338120), (24, 1170855), (27, 1040760), (28, 1003590), (30, 936684), (35, 802872), (36, 780570), (40, 702513), (42, 669060), (45, 624456), (49, 573480), (54, 520380), (56, 501795), (59, 476280), (60, 468342), (63, 446040), (70, 401436), (72, 390285), (81, 346920), (84, 334530), (90, 312228), (98, 286740), (105, 267624), (108, 260190), (118, 238140), (120, 234171), (126, 223020), (135, 208152), (140, 200718), (147, 191160), (162, 173460), (168, 167265), (177, 158760), (180, 156114), (189, 148680), (196, 143370), (210, 133812), (216, 130095), (236, 119070), (243, 115640), (245, 114696), (252, 111510), (270, 104076), (280, 100359), (294, 95580), (295, 95256), (315, 89208), (324, 86730), (354, 79380), (360, 78057), (378, 74340), (392, 71685), (405, 69384), (413, 68040), (420, 66906), (441, 63720), (472, 59535), (486, 57820), (490, 57348), (504, 55755), (531, 52920), (540, 52038), (567, 49560), (588, 47790), (590, 47628), (630, 44604), (648, 43365), (708, 39690), (735, 38232), (756, 37170), (810, 34692), (826, 34020), (840, 33453), (882, 31860), (885, 31752), (945, 29736), (972, 28910), (980, 28674), (1062, 26460), (1080, 26019), (1134, 24780), (1176, 23895), (1180, 23814), (1215, 23128), (1239, 22680), (1260, 22302), (1323, 21240), (1416, 19845), (1470, 19116), (1512, 18585), (1593, 17640), (1620, 17346), (1652, 17010), (1701, 16520), (1764, 15930), (1770, 15876), (1890, 14868), (1944, 14455), (1960, 14337), (2065, 13608), (2124, 13230), (2205, 12744), (2268, 12390), (2360, 11907), (2430, 11564), (2478, 11340), (2520, 11151), (2646, 10620), (2655, 10584), (2835, 9912), (2891, 9720), (2940, 9558), (3186, 8820), (3240, 8673), (3304, 8505), (3402, 8260), (3528, 7965), (3540, 7938), (3717, 7560), (3780, 7434), (3969, 7080), (4130, 6804), (4248, 6615), (4410, 6372), (4536, 6195), (4779, 5880), (4860, 5782), (4956, 5670), (5292, 5310)]