289551780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 288

約数和(自身を含む): 1084769280

約数和(自身を除く): 795217500

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, 353, 372, 378, 420, 434, 441, 465, 490, 540, 558, 588, 620, 630, 651, 706, 735, 756, 837, 868, 882, 930, 945, 980, 1059, 1085, 1116, 1260, 1302, 1323, 1395, 1412, 1470, 1519, 1674, 1764, 1765, 1860, 1890, 1953, 2118, 2170, 2205, 2471, 2604, 2646, 2790, 2940, 3038, 3177, 3255, 3348, 3530, 3780, 3906, 4185, 4236, 4340, 4410, 4557, 4942, 5292, 5295, 5580, 5859, 6076, 6354, 6510, 6615, 7060, 7413, 7595, 7812, 8370, 8820, 9114, 9531, 9765, 9884, 10590, 10943, 11718, 12355, 12708, 13020, 13230, 13671, 14826, 15190, 15885, 16740, 17297, 18228, 19062, 19530, 21180, 21886, 22239, 22785, 23436, 24710, 26460, 27342, 29295, 29652, 30380, 31770, 32829, 34594, 37065, 38124, 39060, 41013, 43772, 44478, 45570, 47655, 49420, 51891, 54684, 54715, 58590, 63540, 65658, 66717, 68355, 69188, 74130, 76601, 82026, 86485, 88956, 91140, 95310, 98487, 103782, 109430, 111195, 117180, 131316, 133434, 136710, 148260, 153202, 155673, 164052, 164145, 172970, 190620, 196974, 205065, 207564, 218860, 222390, 229803, 259455, 266868, 273420, 295461, 306404, 311346, 328290, 333585, 345940, 383005, 393948, 410130, 444780, 459606, 467019, 492435, 518910, 536207, 590922, 622692, 656580, 667170, 689409, 766010, 778365, 820260, 919212, 934038, 984870, 1037820, 1072414, 1149015, 1181844, 1334340, 1378818, 1477305, 1532020, 1556730, 1608621, 1868076, 1969740, 2068227, 2144828, 2298030, 2335095, 2681035, 2757636, 2954610, 3113460, 3217242, 3447045, 4136454, 4596060, 4670190, 4825863, 5362070, 5909220, 6434484, 6894090, 8043105, 8272908, 9340380, 9651726, 10341135, 10724140, 13788180, 14477589, 16086210, 19303452, 20682270, 24129315, 28955178, 32172420, 41364540, 48258630, 57910356, 72387945, 96517260, 144775890, 289551780]

約数ペア:

[(1, 289551780), (2, 144775890), (3, 96517260), (4, 72387945), (5, 57910356), (6, 48258630), (7, 41364540), (9, 32172420), (10, 28955178), (12, 24129315), (14, 20682270), (15, 19303452), (18, 16086210), (20, 14477589), (21, 13788180), (27, 10724140), (28, 10341135), (30, 9651726), (31, 9340380), (35, 8272908), (36, 8043105), (42, 6894090), (45, 6434484), (49, 5909220), (54, 5362070), (60, 4825863), (62, 4670190), (63, 4596060), (70, 4136454), (84, 3447045), (90, 3217242), (93, 3113460), (98, 2954610), (105, 2757636), (108, 2681035), (124, 2335095), (126, 2298030), (135, 2144828), (140, 2068227), (147, 1969740), (155, 1868076), (180, 1608621), (186, 1556730), (189, 1532020), (196, 1477305), (210, 1378818), (217, 1334340), (245, 1181844), (252, 1149015), (270, 1072414), (279, 1037820), (294, 984870), (310, 934038), (315, 919212), (353, 820260), (372, 778365), (378, 766010), (420, 689409), (434, 667170), (441, 656580), (465, 622692), (490, 590922), (540, 536207), (558, 518910), (588, 492435), (620, 467019), (630, 459606), (651, 444780), (706, 410130), (735, 393948), (756, 383005), (837, 345940), (868, 333585), (882, 328290), (930, 311346), (945, 306404), (980, 295461), (1059, 273420), (1085, 266868), (1116, 259455), (1260, 229803), (1302, 222390), (1323, 218860), (1395, 207564), (1412, 205065), (1470, 196974), (1519, 190620), (1674, 172970), (1764, 164145), (1765, 164052), (1860, 155673), (1890, 153202), (1953, 148260), (2118, 136710), (2170, 133434), (2205, 131316), (2471, 117180), (2604, 111195), (2646, 109430), (2790, 103782), (2940, 98487), (3038, 95310), (3177, 91140), (3255, 88956), (3348, 86485), (3530, 82026), (3780, 76601), (3906, 74130), (4185, 69188), (4236, 68355), (4340, 66717), (4410, 65658), (4557, 63540), (4942, 58590), (5292, 54715), (5295, 54684), (5580, 51891), (5859, 49420), (6076, 47655), (6354, 45570), (6510, 44478), (6615, 43772), (7060, 41013), (7413, 39060), (7595, 38124), (7812, 37065), (8370, 34594), (8820, 32829), (9114, 31770), (9531, 30380), (9765, 29652), (9884, 29295), (10590, 27342), (10943, 26460), (11718, 24710), (12355, 23436), (12708, 22785), (13020, 22239), (13230, 21886), (13671, 21180), (14826, 19530), (15190, 19062), (15885, 18228), (16740, 17297)]