2520420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 8563968

約数和(自身を除く): 6043548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 353, 357, 420, 476, 510, 595, 706, 714, 1020, 1059, 1190, 1412, 1428, 1765, 1785, 2118, 2380, 2471, 3530, 3570, 4236, 4942, 5295, 6001, 7060, 7140, 7413, 9884, 10590, 12002, 12355, 14826, 18003, 21180, 24004, 24710, 29652, 30005, 36006, 37065, 42007, 49420, 60010, 72012, 74130, 84014, 90015, 120020, 126021, 148260, 168028, 180030, 210035, 252042, 360060, 420070, 504084, 630105, 840140, 1260210, 2520420]

約数ペア:

[(1, 2520420), (2, 1260210), (3, 840140), (4, 630105), (5, 504084), (6, 420070), (7, 360060), (10, 252042), (12, 210035), (14, 180030), (15, 168028), (17, 148260), (20, 126021), (21, 120020), (28, 90015), (30, 84014), (34, 74130), (35, 72012), (42, 60010), (51, 49420), (60, 42007), (68, 37065), (70, 36006), (84, 30005), (85, 29652), (102, 24710), (105, 24004), (119, 21180), (140, 18003), (170, 14826), (204, 12355), (210, 12002), (238, 10590), (255, 9884), (340, 7413), (353, 7140), (357, 7060), (420, 6001), (476, 5295), (510, 4942), (595, 4236), (706, 3570), (714, 3530), (1020, 2471), (1059, 2380), (1190, 2118), (1412, 1785), (1428, 1765)]