1811000520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19423}}^1$

素因数の和:19484

約数の個数: 192

約数和(自身を含む): 6908728320

約数和(自身を除く): 5097727800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 168, 180, 185, 210, 222, 252, 259, 280, 296, 315, 333, 360, 370, 420, 444, 504, 518, 555, 630, 666, 740, 777, 840, 888, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1665, 2072, 2220, 2331, 2520, 2590, 2664, 3108, 3330, 3885, 4440, 4662, 5180, 6216, 6660, 7770, 9324, 10360, 11655, 13320, 15540, 18648, 19423, 23310, 31080, 38846, 46620, 58269, 77692, 93240, 97115, 116538, 135961, 155384, 174807, 194230, 233076, 271922, 291345, 349614, 388460, 407883, 466152, 543844, 582690, 679805, 699228, 718651, 776920, 815766, 874035, 1087688, 1165380, 1223649, 1359610, 1398456, 1437302, 1631532, 1748070, 2039415, 2155953, 2330760, 2447298, 2719220, 2874604, 3263064, 3496140, 3593255, 4078830, 4311906, 4894596, 5030557, 5438440, 5749208, 6118245, 6467859, 6992280, 7186510, 8157660, 8623812, 9789192, 10061114, 10779765, 12236490, 12935718, 14373020, 15091671, 16315320, 17247624, 20122228, 21559530, 24472980, 25152785, 25871436, 28746040, 30183342, 32339295, 40244456, 43119060, 45275013, 48945960, 50305570, 51742872, 60366684, 64678590, 75458355, 86238120, 90550026, 100611140, 120733368, 129357180, 150916710, 181100052, 201222280, 226375065, 258714360, 301833420, 362200104, 452750130, 603666840, 905500260, 1811000520]

約数ペア:

[(1, 1811000520), (2, 905500260), (3, 603666840), (4, 452750130), (5, 362200104), (6, 301833420), (7, 258714360), (8, 226375065), (9, 201222280), (10, 181100052), (12, 150916710), (14, 129357180), (15, 120733368), (18, 100611140), (20, 90550026), (21, 86238120), (24, 75458355), (28, 64678590), (30, 60366684), (35, 51742872), (36, 50305570), (37, 48945960), (40, 45275013), (42, 43119060), (45, 40244456), (56, 32339295), (60, 30183342), (63, 28746040), (70, 25871436), (72, 25152785), (74, 24472980), (84, 21559530), (90, 20122228), (105, 17247624), (111, 16315320), (120, 15091671), (126, 14373020), (140, 12935718), (148, 12236490), (168, 10779765), (180, 10061114), (185, 9789192), (210, 8623812), (222, 8157660), (252, 7186510), (259, 6992280), (280, 6467859), (296, 6118245), (315, 5749208), (333, 5438440), (360, 5030557), (370, 4894596), (420, 4311906), (444, 4078830), (504, 3593255), (518, 3496140), (555, 3263064), (630, 2874604), (666, 2719220), (740, 2447298), (777, 2330760), (840, 2155953), (888, 2039415), (1036, 1748070), (1110, 1631532), (1260, 1437302), (1295, 1398456), (1332, 1359610), (1480, 1223649), (1554, 1165380), (1665, 1087688), (2072, 874035), (2220, 815766), (2331, 776920), (2520, 718651), (2590, 699228), (2664, 679805), (3108, 582690), (3330, 543844), (3885, 466152), (4440, 407883), (4662, 388460), (5180, 349614), (6216, 291345), (6660, 271922), (7770, 233076), (9324, 194230), (10360, 174807), (11655, 155384), (13320, 135961), (15540, 116538), (18648, 97115), (19423, 93240), (23310, 77692), (31080, 58269), (38846, 46620)]