2781501660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3454

約数の個数: 288

約数和(自身を含む): 10394173440

約数和(自身を除く): 7612671780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 49, 54, 60, 62, 63, 70, 84, 90, 93, 98, 105, 108, 124, 126, 135, 140, 147, 155, 180, 186, 189, 196, 210, 217, 245, 252, 270, 279, 294, 310, 315, 372, 378, 420, 434, 441, 465, 490, 540, 558, 588, 620, 630, 651, 735, 756, 837, 868, 882, 930, 945, 980, 1085, 1116, 1260, 1302, 1323, 1395, 1470, 1519, 1674, 1764, 1860, 1890, 1953, 2170, 2205, 2604, 2646, 2790, 2940, 3038, 3255, 3348, 3391, 3780, 3906, 4185, 4340, 4410, 4557, 5292, 5580, 5859, 6076, 6510, 6615, 6782, 7595, 7812, 8370, 8820, 9114, 9765, 10173, 11718, 13020, 13230, 13564, 13671, 15190, 16740, 16955, 18228, 19530, 20346, 22785, 23436, 23737, 26460, 27342, 29295, 30380, 30519, 33910, 39060, 40692, 41013, 45570, 47474, 50865, 54684, 58590, 61038, 67820, 68355, 71211, 82026, 91140, 91557, 94948, 101730, 105121, 117180, 118685, 122076, 136710, 142422, 152595, 164052, 166159, 183114, 203460, 205065, 210242, 213633, 237370, 273420, 284844, 305190, 315363, 332318, 356055, 366228, 410130, 420484, 427266, 457785, 474740, 498477, 525605, 610380, 630726, 640899, 664636, 712110, 735847, 820260, 830795, 854532, 915570, 946089, 996954, 1051210, 1068165, 1261452, 1281798, 1424220, 1471694, 1495431, 1576815, 1661590, 1831140, 1892178, 1993908, 2102420, 2136330, 2207541, 2492385, 2563596, 2838267, 2943388, 2990862, 3153630, 3204495, 3323180, 3679235, 3784356, 4272660, 4415082, 4486293, 4730445, 4984770, 5150929, 5676534, 5981724, 6307260, 6408990, 6622623, 7358470, 7477155, 8830164, 8972586, 9460890, 9969540, 10301858, 11037705, 11353068, 12817980, 13245246, 14191335, 14716940, 14954310, 15452787, 17945172, 18921780, 19867869, 20603716, 22075410, 22431465, 25754645, 26490492, 28382670, 29908620, 30905574, 33113115, 39735738, 44150820, 44862930, 46358361, 51509290, 56765340, 61811148, 66226230, 77263935, 79471476, 89725860, 92716722, 99339345, 103018580, 132452460, 139075083, 154527870, 185433444, 198678690, 231791805, 278150166, 309055740, 397357380, 463583610, 556300332, 695375415, 927167220, 1390750830, 2781501660]

約数ペア:

[(1, 2781501660), (2, 1390750830), (3, 927167220), (4, 695375415), (5, 556300332), (6, 463583610), (7, 397357380), (9, 309055740), (10, 278150166), (12, 231791805), (14, 198678690), (15, 185433444), (18, 154527870), (20, 139075083), (21, 132452460), (27, 103018580), (28, 99339345), (30, 92716722), (31, 89725860), (35, 79471476), (36, 77263935), (42, 66226230), (45, 61811148), (49, 56765340), (54, 51509290), (60, 46358361), (62, 44862930), (63, 44150820), (70, 39735738), (84, 33113115), (90, 30905574), (93, 29908620), (98, 28382670), (105, 26490492), (108, 25754645), (124, 22431465), (126, 22075410), (135, 20603716), (140, 19867869), (147, 18921780), (155, 17945172), (180, 15452787), (186, 14954310), (189, 14716940), (196, 14191335), (210, 13245246), (217, 12817980), (245, 11353068), (252, 11037705), (270, 10301858), (279, 9969540), (294, 9460890), (310, 8972586), (315, 8830164), (372, 7477155), (378, 7358470), (420, 6622623), (434, 6408990), (441, 6307260), (465, 5981724), (490, 5676534), (540, 5150929), (558, 4984770), (588, 4730445), (620, 4486293), (630, 4415082), (651, 4272660), (735, 3784356), (756, 3679235), (837, 3323180), (868, 3204495), (882, 3153630), (930, 2990862), (945, 2943388), (980, 2838267), (1085, 2563596), (1116, 2492385), (1260, 2207541), (1302, 2136330), (1323, 2102420), (1395, 1993908), (1470, 1892178), (1519, 1831140), (1674, 1661590), (1764, 1576815), (1860, 1495431), (1890, 1471694), (1953, 1424220), (2170, 1281798), (2205, 1261452), (2604, 1068165), (2646, 1051210), (2790, 996954), (2940, 946089), (3038, 915570), (3255, 854532), (3348, 830795), (3391, 820260), (3780, 735847), (3906, 712110), (4185, 664636), (4340, 640899), (4410, 630726), (4557, 610380), (5292, 525605), (5580, 498477), (5859, 474740), (6076, 457785), (6510, 427266), (6615, 420484), (6782, 410130), (7595, 366228), (7812, 356055), (8370, 332318), (8820, 315363), (9114, 305190), (9765, 284844), (10173, 273420), (11718, 237370), (13020, 213633), (13230, 210242), (13564, 205065), (13671, 203460), (15190, 183114), (16740, 166159), (16955, 164052), (18228, 152595), (19530, 142422), (20346, 136710), (22785, 122076), (23436, 118685), (23737, 117180), (26460, 105121), (27342, 101730), (29295, 94948), (30380, 91557), (30519, 91140), (33910, 82026), (39060, 71211), (40692, 68355), (41013, 67820), (45570, 61038), (47474, 58590), (50865, 54684)]