2178751680

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{15439}}^1$

素因数の和:15476

約数の個数: 252

約数和(自身を含む): 8718072480

約数和(自身を除く): 6539320800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4704, 5040, 5880, 6720, 7056, 7840, 8820, 9408, 10080, 11760, 14112, 15439, 15680, 17640, 20160, 23520, 28224, 30878, 35280, 46317, 47040, 61756, 70560, 77195, 92634, 108073, 123512, 138951, 141120, 154390, 185268, 216146, 231585, 247024, 277902, 308780, 324219, 370536, 432292, 463170, 494048, 540365, 555804, 617560, 648438, 694755, 741072, 756511, 864584, 926340, 972657, 988096, 1080730, 1111608, 1235120, 1296876, 1389510, 1482144, 1513022, 1621095, 1729168, 1852680, 1945314, 2161460, 2223216, 2269533, 2470240, 2593752, 2779020, 2964288, 3026044, 3242190, 3458336, 3705360, 3782555, 3890628, 4322920, 4446432, 4539066, 4863285, 4940480, 5187504, 5558040, 6052088, 6484380, 6808599, 6916672, 7410720, 7565110, 7781256, 8645840, 8892864, 9078132, 9726570, 10375008, 11116080, 11347665, 12104176, 12968760, 13617198, 14821440, 15130220, 15562512, 17291680, 18156264, 19453140, 20750016, 22232160, 22695330, 24208352, 25937520, 27234396, 30260440, 31125024, 34042995, 34583360, 36312528, 38906280, 44464320, 45390660, 48416704, 51875040, 54468792, 60520880, 62250048, 68085990, 72625056, 77812560, 90781320, 103750080, 108937584, 121041760, 136171980, 145250112, 155625120, 181562640, 217875168, 242083520, 272343960, 311250240, 363125280, 435750336, 544687920, 726250560, 1089375840, 2178751680]

約数ペア:

[(1, 2178751680), (2, 1089375840), (3, 726250560), (4, 544687920), (5, 435750336), (6, 363125280), (7, 311250240), (8, 272343960), (9, 242083520), (10, 217875168), (12, 181562640), (14, 155625120), (15, 145250112), (16, 136171980), (18, 121041760), (20, 108937584), (21, 103750080), (24, 90781320), (28, 77812560), (30, 72625056), (32, 68085990), (35, 62250048), (36, 60520880), (40, 54468792), (42, 51875040), (45, 48416704), (48, 45390660), (49, 44464320), (56, 38906280), (60, 36312528), (63, 34583360), (64, 34042995), (70, 31125024), (72, 30260440), (80, 27234396), (84, 25937520), (90, 24208352), (96, 22695330), (98, 22232160), (105, 20750016), (112, 19453140), (120, 18156264), (126, 17291680), (140, 15562512), (144, 15130220), (147, 14821440), (160, 13617198), (168, 12968760), (180, 12104176), (192, 11347665), (196, 11116080), (210, 10375008), (224, 9726570), (240, 9078132), (245, 8892864), (252, 8645840), (280, 7781256), (288, 7565110), (294, 7410720), (315, 6916672), (320, 6808599), (336, 6484380), (360, 6052088), (392, 5558040), (420, 5187504), (441, 4940480), (448, 4863285), (480, 4539066), (490, 4446432), (504, 4322920), (560, 3890628), (576, 3782555), (588, 3705360), (630, 3458336), (672, 3242190), (720, 3026044), (735, 2964288), (784, 2779020), (840, 2593752), (882, 2470240), (960, 2269533), (980, 2223216), (1008, 2161460), (1120, 1945314), (1176, 1852680), (1260, 1729168), (1344, 1621095), (1440, 1513022), (1470, 1482144), (1568, 1389510), (1680, 1296876), (1764, 1235120), (1960, 1111608), (2016, 1080730), (2205, 988096), (2240, 972657), (2352, 926340), (2520, 864584), (2880, 756511), (2940, 741072), (3136, 694755), (3360, 648438), (3528, 617560), (3920, 555804), (4032, 540365), (4410, 494048), (4704, 463170), (5040, 432292), (5880, 370536), (6720, 324219), (7056, 308780), (7840, 277902), (8820, 247024), (9408, 231585), (10080, 216146), (11760, 185268), (14112, 154390), (15439, 141120), (15680, 138951), (17640, 123512), (20160, 108073), (23520, 92634), (28224, 77195), (30878, 70560), (35280, 61756), (46317, 47040)]