279116460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 288

約数和(自身を含む): 1037836800

約数和(自身を除く): 758720340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 89, 90, 95, 105, 114, 126, 131, 133, 140, 171, 178, 180, 190, 210, 228, 252, 262, 266, 267, 285, 315, 342, 356, 380, 393, 399, 420, 445, 524, 532, 534, 570, 623, 630, 655, 665, 684, 786, 798, 801, 855, 890, 917, 1068, 1140, 1179, 1197, 1246, 1260, 1310, 1330, 1335, 1572, 1596, 1602, 1691, 1710, 1780, 1834, 1869, 1965, 1995, 2358, 2394, 2489, 2492, 2620, 2660, 2670, 2751, 3115, 3204, 3382, 3420, 3668, 3738, 3930, 3990, 4005, 4585, 4716, 4788, 4978, 5073, 5340, 5502, 5607, 5895, 5985, 6230, 6764, 7467, 7476, 7860, 7980, 8010, 8253, 8455, 9170, 9345, 9956, 10146, 11004, 11214, 11659, 11790, 11837, 11970, 12445, 12460, 13755, 14934, 15219, 16020, 16506, 16910, 17423, 18340, 18690, 20292, 22401, 22428, 23318, 23580, 23674, 23940, 24890, 25365, 27510, 28035, 29868, 30438, 33012, 33820, 34846, 34977, 35511, 37335, 37380, 41265, 44802, 46636, 47348, 49780, 50730, 52269, 55020, 56070, 58295, 59185, 60876, 69692, 69954, 71022, 74670, 76095, 81613, 82530, 87115, 89604, 101460, 104538, 104931, 106533, 112005, 112140, 116590, 118370, 139908, 142044, 149340, 152190, 156807, 163226, 165060, 174230, 174885, 177555, 209076, 209862, 213066, 221521, 224010, 233180, 236740, 244839, 261345, 304380, 313614, 326452, 348460, 349770, 355110, 408065, 419724, 426132, 443042, 448020, 489678, 522690, 524655, 532665, 627228, 664563, 699540, 710220, 734517, 784035, 816130, 886084, 979356, 1045380, 1049310, 1065330, 1107605, 1224195, 1329126, 1469034, 1550647, 1568070, 1632260, 1993689, 2098620, 2130660, 2215210, 2448390, 2658252, 2938068, 3101294, 3136140, 3322815, 3672585, 3987378, 4430420, 4651941, 4896780, 6202588, 6645630, 7345170, 7753235, 7974756, 9303882, 9968445, 13291260, 13955823, 14690340, 15506470, 18607764, 19936890, 23259705, 27911646, 31012940, 39873780, 46519410, 55823292, 69779115, 93038820, 139558230, 279116460]

約数ペア:

[(1, 279116460), (2, 139558230), (3, 93038820), (4, 69779115), (5, 55823292), (6, 46519410), (7, 39873780), (9, 31012940), (10, 27911646), (12, 23259705), (14, 19936890), (15, 18607764), (18, 15506470), (19, 14690340), (20, 13955823), (21, 13291260), (28, 9968445), (30, 9303882), (35, 7974756), (36, 7753235), (38, 7345170), (42, 6645630), (45, 6202588), (57, 4896780), (60, 4651941), (63, 4430420), (70, 3987378), (76, 3672585), (84, 3322815), (89, 3136140), (90, 3101294), (95, 2938068), (105, 2658252), (114, 2448390), (126, 2215210), (131, 2130660), (133, 2098620), (140, 1993689), (171, 1632260), (178, 1568070), (180, 1550647), (190, 1469034), (210, 1329126), (228, 1224195), (252, 1107605), (262, 1065330), (266, 1049310), (267, 1045380), (285, 979356), (315, 886084), (342, 816130), (356, 784035), (380, 734517), (393, 710220), (399, 699540), (420, 664563), (445, 627228), (524, 532665), (532, 524655), (534, 522690), (570, 489678), (623, 448020), (630, 443042), (655, 426132), (665, 419724), (684, 408065), (786, 355110), (798, 349770), (801, 348460), (855, 326452), (890, 313614), (917, 304380), (1068, 261345), (1140, 244839), (1179, 236740), (1197, 233180), (1246, 224010), (1260, 221521), (1310, 213066), (1330, 209862), (1335, 209076), (1572, 177555), (1596, 174885), (1602, 174230), (1691, 165060), (1710, 163226), (1780, 156807), (1834, 152190), (1869, 149340), (1965, 142044), (1995, 139908), (2358, 118370), (2394, 116590), (2489, 112140), (2492, 112005), (2620, 106533), (2660, 104931), (2670, 104538), (2751, 101460), (3115, 89604), (3204, 87115), (3382, 82530), (3420, 81613), (3668, 76095), (3738, 74670), (3930, 71022), (3990, 69954), (4005, 69692), (4585, 60876), (4716, 59185), (4788, 58295), (4978, 56070), (5073, 55020), (5340, 52269), (5502, 50730), (5607, 49780), (5895, 47348), (5985, 46636), (6230, 44802), (6764, 41265), (7467, 37380), (7476, 37335), (7860, 35511), (7980, 34977), (8010, 34846), (8253, 33820), (8455, 33012), (9170, 30438), (9345, 29868), (9956, 28035), (10146, 27510), (11004, 25365), (11214, 24890), (11659, 23940), (11790, 23674), (11837, 23580), (11970, 23318), (12445, 22428), (12460, 22401), (13755, 20292), (14934, 18690), (15219, 18340), (16020, 17423), (16506, 16910)]