20148617440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{1543}}^1$

素因数の和:1785

約数の個数: 192

約数和(自身を含む): 55468385280

約数和(自身を除く): 35319767840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 89, 112, 131, 140, 160, 178, 224, 262, 280, 356, 445, 524, 560, 623, 655, 712, 890, 917, 1048, 1120, 1246, 1310, 1424, 1543, 1780, 1834, 2096, 2492, 2620, 2848, 3086, 3115, 3560, 3668, 4192, 4585, 4984, 5240, 6172, 6230, 7120, 7336, 7715, 9170, 9968, 10480, 10801, 11659, 12344, 12460, 14240, 14672, 15430, 18340, 19936, 20960, 21602, 23318, 24688, 24920, 29344, 30860, 36680, 43204, 46636, 49376, 49840, 54005, 58295, 61720, 73360, 81613, 86408, 93272, 99680, 108010, 116590, 123440, 137327, 146720, 163226, 172816, 186544, 202133, 216020, 233180, 246880, 274654, 326452, 345632, 373088, 404266, 408065, 432040, 466360, 549308, 652904, 686635, 808532, 816130, 864080, 932720, 961289, 1010665, 1098616, 1305808, 1373270, 1414931, 1617064, 1632260, 1728160, 1865440, 1922578, 2021330, 2197232, 2611616, 2746540, 2829862, 3234128, 3264520, 3845156, 4042660, 4394464, 4806445, 5493080, 5659724, 6468256, 6529040, 7074655, 7690312, 8085320, 9612890, 10986160, 11319448, 13058080, 14149310, 15380624, 16170640, 17989837, 19225780, 21972320, 22638896, 28298620, 30761248, 32341280, 35979674, 38451560, 45277792, 56597240, 71959348, 76903120, 89949185, 113194480, 125928859, 143918696, 153806240, 179898370, 226388960, 251857718, 287837392, 359796740, 503715436, 575674784, 629644295, 719593480, 1007430872, 1259288590, 1439186960, 2014861744, 2518577180, 2878373920, 4029723488, 5037154360, 10074308720, 20148617440]

約数ペア:

[(1, 20148617440), (2, 10074308720), (4, 5037154360), (5, 4029723488), (7, 2878373920), (8, 2518577180), (10, 2014861744), (14, 1439186960), (16, 1259288590), (20, 1007430872), (28, 719593480), (32, 629644295), (35, 575674784), (40, 503715436), (56, 359796740), (70, 287837392), (80, 251857718), (89, 226388960), (112, 179898370), (131, 153806240), (140, 143918696), (160, 125928859), (178, 113194480), (224, 89949185), (262, 76903120), (280, 71959348), (356, 56597240), (445, 45277792), (524, 38451560), (560, 35979674), (623, 32341280), (655, 30761248), (712, 28298620), (890, 22638896), (917, 21972320), (1048, 19225780), (1120, 17989837), (1246, 16170640), (1310, 15380624), (1424, 14149310), (1543, 13058080), (1780, 11319448), (1834, 10986160), (2096, 9612890), (2492, 8085320), (2620, 7690312), (2848, 7074655), (3086, 6529040), (3115, 6468256), (3560, 5659724), (3668, 5493080), (4192, 4806445), (4585, 4394464), (4984, 4042660), (5240, 3845156), (6172, 3264520), (6230, 3234128), (7120, 2829862), (7336, 2746540), (7715, 2611616), (9170, 2197232), (9968, 2021330), (10480, 1922578), (10801, 1865440), (11659, 1728160), (12344, 1632260), (12460, 1617064), (14240, 1414931), (14672, 1373270), (15430, 1305808), (18340, 1098616), (19936, 1010665), (20960, 961289), (21602, 932720), (23318, 864080), (24688, 816130), (24920, 808532), (29344, 686635), (30860, 652904), (36680, 549308), (43204, 466360), (46636, 432040), (49376, 408065), (49840, 404266), (54005, 373088), (58295, 345632), (61720, 326452), (73360, 274654), (81613, 246880), (86408, 233180), (93272, 216020), (99680, 202133), (108010, 186544), (116590, 172816), (123440, 163226), (137327, 146720)]