28168457520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{77267}}^1$

素因数の和:77328

約数の個数: 240

約数和(自身を含む): 104857003008

約数和(自身を除く): 76688545488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 420, 434, 465, 490, 496, 560, 588, 620, 651, 735, 744, 784, 840, 868, 930, 980, 1085, 1176, 1240, 1302, 1470, 1488, 1519, 1680, 1736, 1860, 1960, 2170, 2352, 2480, 2604, 2940, 3038, 3255, 3472, 3720, 3920, 4340, 4557, 5208, 5880, 6076, 6510, 7440, 7595, 8680, 9114, 10416, 11760, 12152, 13020, 15190, 17360, 18228, 22785, 24304, 26040, 30380, 36456, 45570, 52080, 60760, 72912, 77267, 91140, 121520, 154534, 182280, 231801, 309068, 364560, 386335, 463602, 540869, 618136, 772670, 927204, 1081738, 1159005, 1236272, 1545340, 1622607, 1854408, 2163476, 2318010, 2395277, 2704345, 3090680, 3245214, 3708816, 3786083, 4326952, 4636020, 4790554, 5408690, 6181360, 6490428, 7185831, 7572166, 8113035, 8653904, 9272040, 9581108, 10817380, 11358249, 11976385, 12980856, 14371662, 15144332, 16226070, 16766939, 18544080, 18930415, 19162216, 21634760, 22716498, 23952770, 25961712, 28743324, 30288664, 32452140, 33533878, 35929155, 37860830, 38324432, 43269520, 45432996, 47905540, 50300817, 56791245, 57486648, 60577328, 64904280, 67067756, 71858310, 75721660, 83834695, 90865992, 95811080, 100601634, 113582490, 114973296, 117368573, 129808560, 134135512, 143716620, 151443320, 167669390, 181731984, 191622160, 201203268, 227164980, 234737146, 251504085, 268271024, 287433240, 302886640, 335338780, 352105719, 402406536, 454329960, 469474292, 503008170, 574866480, 586842865, 670677560, 704211438, 804813072, 908659920, 938948584, 1006016340, 1173685730, 1341355120, 1408422876, 1760528595, 1877897168, 2012032680, 2347371460, 2816845752, 3521057190, 4024065360, 4694742920, 5633691504, 7042114380, 9389485840, 14084228760, 28168457520]

約数ペア:

[(1, 28168457520), (2, 14084228760), (3, 9389485840), (4, 7042114380), (5, 5633691504), (6, 4694742920), (7, 4024065360), (8, 3521057190), (10, 2816845752), (12, 2347371460), (14, 2012032680), (15, 1877897168), (16, 1760528595), (20, 1408422876), (21, 1341355120), (24, 1173685730), (28, 1006016340), (30, 938948584), (31, 908659920), (35, 804813072), (40, 704211438), (42, 670677560), (48, 586842865), (49, 574866480), (56, 503008170), (60, 469474292), (62, 454329960), (70, 402406536), (80, 352105719), (84, 335338780), (93, 302886640), (98, 287433240), (105, 268271024), (112, 251504085), (120, 234737146), (124, 227164980), (140, 201203268), (147, 191622160), (155, 181731984), (168, 167669390), (186, 151443320), (196, 143716620), (210, 134135512), (217, 129808560), (240, 117368573), (245, 114973296), (248, 113582490), (280, 100601634), (294, 95811080), (310, 90865992), (336, 83834695), (372, 75721660), (392, 71858310), (420, 67067756), (434, 64904280), (465, 60577328), (490, 57486648), (496, 56791245), (560, 50300817), (588, 47905540), (620, 45432996), (651, 43269520), (735, 38324432), (744, 37860830), (784, 35929155), (840, 33533878), (868, 32452140), (930, 30288664), (980, 28743324), (1085, 25961712), (1176, 23952770), (1240, 22716498), (1302, 21634760), (1470, 19162216), (1488, 18930415), (1519, 18544080), (1680, 16766939), (1736, 16226070), (1860, 15144332), (1960, 14371662), (2170, 12980856), (2352, 11976385), (2480, 11358249), (2604, 10817380), (2940, 9581108), (3038, 9272040), (3255, 8653904), (3472, 8113035), (3720, 7572166), (3920, 7185831), (4340, 6490428), (4557, 6181360), (5208, 5408690), (5880, 4790554), (6076, 4636020), (6510, 4326952), (7440, 3786083), (7595, 3708816), (8680, 3245214), (9114, 3090680), (10416, 2704345), (11760, 2395277), (12152, 2318010), (13020, 2163476), (15190, 1854408), (17360, 1622607), (18228, 1545340), (22785, 1236272), (24304, 1159005), (26040, 1081738), (30380, 927204), (36456, 772670), (45570, 618136), (52080, 540869), (60760, 463602), (72912, 386335), (77267, 364560), (91140, 309068), (121520, 231801), (154534, 182280)]