2806020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 10378368

約数和(自身を除く): 7572348

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, 131, 140, 153, 170, 180, 204, 210, 238, 252, 255, 262, 306, 315, 340, 357, 393, 420, 476, 510, 524, 595, 612, 630, 655, 714, 765, 786, 917, 1020, 1071, 1179, 1190, 1260, 1310, 1428, 1530, 1572, 1785, 1834, 1965, 2142, 2227, 2358, 2380, 2620, 2751, 3060, 3570, 3668, 3930, 4284, 4454, 4585, 4716, 5355, 5502, 5895, 6681, 7140, 7860, 8253, 8908, 9170, 10710, 11004, 11135, 11790, 13362, 13755, 15589, 16506, 18340, 20043, 21420, 22270, 23580, 26724, 27510, 31178, 33012, 33405, 40086, 41265, 44540, 46767, 55020, 62356, 66810, 77945, 80172, 82530, 93534, 100215, 133620, 140301, 155890, 165060, 187068, 200430, 233835, 280602, 311780, 400860, 467670, 561204, 701505, 935340, 1403010, 2806020]

約数ペア:

[(1, 2806020), (2, 1403010), (3, 935340), (4, 701505), (5, 561204), (6, 467670), (7, 400860), (9, 311780), (10, 280602), (12, 233835), (14, 200430), (15, 187068), (17, 165060), (18, 155890), (20, 140301), (21, 133620), (28, 100215), (30, 93534), (34, 82530), (35, 80172), (36, 77945), (42, 66810), (45, 62356), (51, 55020), (60, 46767), (63, 44540), (68, 41265), (70, 40086), (84, 33405), (85, 33012), (90, 31178), (102, 27510), (105, 26724), (119, 23580), (126, 22270), (131, 21420), (140, 20043), (153, 18340), (170, 16506), (180, 15589), (204, 13755), (210, 13362), (238, 11790), (252, 11135), (255, 11004), (262, 10710), (306, 9170), (315, 8908), (340, 8253), (357, 7860), (393, 7140), (420, 6681), (476, 5895), (510, 5502), (524, 5355), (595, 4716), (612, 4585), (630, 4454), (655, 4284), (714, 3930), (765, 3668), (786, 3570), (917, 3060), (1020, 2751), (1071, 2620), (1179, 2380), (1190, 2358), (1260, 2227), (1310, 2142), (1428, 1965), (1530, 1834), (1572, 1785)]