7861140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 28933632

約数和(自身を除く): 21072492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 367, 420, 476, 510, 595, 612, 630, 714, 734, 765, 1020, 1071, 1101, 1190, 1260, 1428, 1468, 1530, 1785, 1835, 2142, 2202, 2380, 2569, 3060, 3303, 3570, 3670, 4284, 4404, 5138, 5355, 5505, 6239, 6606, 7140, 7340, 7707, 10276, 10710, 11010, 12478, 12845, 13212, 15414, 16515, 18717, 21420, 22020, 23121, 24956, 25690, 30828, 31195, 33030, 37434, 38535, 43673, 46242, 51380, 56151, 62390, 66060, 74868, 77070, 87346, 92484, 93585, 112302, 115605, 124780, 131019, 154140, 174692, 187170, 218365, 224604, 231210, 262038, 280755, 374340, 393057, 436730, 462420, 524076, 561510, 655095, 786114, 873460, 1123020, 1310190, 1572228, 1965285, 2620380, 3930570, 7861140]

約数ペア:

[(1, 7861140), (2, 3930570), (3, 2620380), (4, 1965285), (5, 1572228), (6, 1310190), (7, 1123020), (9, 873460), (10, 786114), (12, 655095), (14, 561510), (15, 524076), (17, 462420), (18, 436730), (20, 393057), (21, 374340), (28, 280755), (30, 262038), (34, 231210), (35, 224604), (36, 218365), (42, 187170), (45, 174692), (51, 154140), (60, 131019), (63, 124780), (68, 115605), (70, 112302), (84, 93585), (85, 92484), (90, 87346), (102, 77070), (105, 74868), (119, 66060), (126, 62390), (140, 56151), (153, 51380), (170, 46242), (180, 43673), (204, 38535), (210, 37434), (238, 33030), (252, 31195), (255, 30828), (306, 25690), (315, 24956), (340, 23121), (357, 22020), (367, 21420), (420, 18717), (476, 16515), (510, 15414), (595, 13212), (612, 12845), (630, 12478), (714, 11010), (734, 10710), (765, 10276), (1020, 7707), (1071, 7340), (1101, 7140), (1190, 6606), (1260, 6239), (1428, 5505), (1468, 5355), (1530, 5138), (1785, 4404), (1835, 4284), (2142, 3670), (2202, 3570), (2380, 3303), (2569, 3060)]