279761580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 288

約数和(自身を含む): 1032292800

約数和(自身を除く): 752531220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 97, 98, 105, 108, 109, 126, 135, 140, 147, 180, 189, 194, 196, 210, 218, 245, 252, 270, 291, 294, 315, 327, 378, 388, 420, 436, 441, 485, 490, 540, 545, 582, 588, 630, 654, 679, 735, 756, 763, 873, 882, 945, 970, 980, 981, 1090, 1164, 1260, 1308, 1323, 1358, 1455, 1470, 1526, 1635, 1746, 1764, 1890, 1940, 1962, 2037, 2180, 2205, 2289, 2619, 2646, 2716, 2910, 2940, 2943, 3052, 3270, 3395, 3492, 3780, 3815, 3924, 4074, 4365, 4410, 4578, 4753, 4905, 5238, 5292, 5341, 5820, 5886, 6111, 6540, 6615, 6790, 6867, 7630, 8148, 8730, 8820, 9156, 9506, 9810, 10185, 10476, 10573, 10682, 11445, 11772, 12222, 13095, 13230, 13580, 13734, 14259, 14715, 15260, 16023, 17460, 18333, 19012, 19620, 20370, 20601, 21146, 21364, 22890, 23765, 24444, 26190, 26460, 26705, 27468, 28518, 29430, 30555, 31719, 32046, 34335, 36666, 40740, 41202, 42292, 42777, 45780, 47530, 48069, 52380, 52865, 53410, 57036, 58860, 61110, 63438, 64092, 68670, 71295, 73332, 74011, 80115, 82404, 85554, 91665, 95060, 95157, 96138, 103005, 105730, 106820, 122220, 126876, 128331, 137340, 142590, 144207, 148022, 158595, 160230, 171108, 183330, 190314, 192276, 206010, 211460, 213885, 222033, 240345, 256662, 285180, 285471, 288414, 296044, 317190, 320460, 366660, 370055, 380628, 412020, 427770, 444066, 475785, 480690, 513324, 518077, 570942, 576828, 634380, 641655, 666099, 721035, 740110, 855540, 888132, 951570, 961380, 1036154, 1110165, 1141884, 1283310, 1332198, 1427355, 1442070, 1480220, 1554231, 1903140, 1998297, 2072308, 2220330, 2566620, 2590385, 2664396, 2854710, 2884140, 3108462, 3330495, 3996594, 4440660, 4662693, 5180770, 5709420, 6216924, 6660990, 7771155, 7993188, 9325386, 9991485, 10361540, 13321980, 13988079, 15542310, 18650772, 19982970, 23313465, 27976158, 31084620, 39965940, 46626930, 55952316, 69940395, 93253860, 139880790, 279761580]

約数ペア:

[(1, 279761580), (2, 139880790), (3, 93253860), (4, 69940395), (5, 55952316), (6, 46626930), (7, 39965940), (9, 31084620), (10, 27976158), (12, 23313465), (14, 19982970), (15, 18650772), (18, 15542310), (20, 13988079), (21, 13321980), (27, 10361540), (28, 9991485), (30, 9325386), (35, 7993188), (36, 7771155), (42, 6660990), (45, 6216924), (49, 5709420), (54, 5180770), (60, 4662693), (63, 4440660), (70, 3996594), (84, 3330495), (90, 3108462), (97, 2884140), (98, 2854710), (105, 2664396), (108, 2590385), (109, 2566620), (126, 2220330), (135, 2072308), (140, 1998297), (147, 1903140), (180, 1554231), (189, 1480220), (194, 1442070), (196, 1427355), (210, 1332198), (218, 1283310), (245, 1141884), (252, 1110165), (270, 1036154), (291, 961380), (294, 951570), (315, 888132), (327, 855540), (378, 740110), (388, 721035), (420, 666099), (436, 641655), (441, 634380), (485, 576828), (490, 570942), (540, 518077), (545, 513324), (582, 480690), (588, 475785), (630, 444066), (654, 427770), (679, 412020), (735, 380628), (756, 370055), (763, 366660), (873, 320460), (882, 317190), (945, 296044), (970, 288414), (980, 285471), (981, 285180), (1090, 256662), (1164, 240345), (1260, 222033), (1308, 213885), (1323, 211460), (1358, 206010), (1455, 192276), (1470, 190314), (1526, 183330), (1635, 171108), (1746, 160230), (1764, 158595), (1890, 148022), (1940, 144207), (1962, 142590), (2037, 137340), (2180, 128331), (2205, 126876), (2289, 122220), (2619, 106820), (2646, 105730), (2716, 103005), (2910, 96138), (2940, 95157), (2943, 95060), (3052, 91665), (3270, 85554), (3395, 82404), (3492, 80115), (3780, 74011), (3815, 73332), (3924, 71295), (4074, 68670), (4365, 64092), (4410, 63438), (4578, 61110), (4753, 58860), (4905, 57036), (5238, 53410), (5292, 52865), (5341, 52380), (5820, 48069), (5886, 47530), (6111, 45780), (6540, 42777), (6615, 42292), (6790, 41202), (6867, 40740), (7630, 36666), (8148, 34335), (8730, 32046), (8820, 31719), (9156, 30555), (9506, 29430), (9810, 28518), (10185, 27468), (10476, 26705), (10573, 26460), (10682, 26190), (11445, 24444), (11772, 23765), (12222, 22890), (13095, 21364), (13230, 21146), (13580, 20601), (13734, 20370), (14259, 19620), (14715, 19012), (15260, 18333), (16023, 17460)]