31080420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1451}}^1$

素因数の和:1490

約数の個数: 144

約数和(自身を含む): 114162048

約数和(自身を除く): 83081628

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, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1451, 1530, 1785, 2142, 2380, 2902, 3060, 3570, 4284, 4353, 5355, 5804, 7140, 7255, 8706, 10157, 10710, 13059, 14510, 17412, 20314, 21420, 21765, 24667, 26118, 29020, 30471, 40628, 43530, 49334, 50785, 52236, 60942, 65295, 74001, 87060, 91413, 98668, 101570, 121884, 123335, 130590, 148002, 152355, 172669, 182826, 203140, 222003, 246670, 261180, 296004, 304710, 345338, 365652, 370005, 444006, 457065, 493340, 518007, 609420, 690676, 740010, 863345, 888012, 914130, 1036014, 1110015, 1480020, 1554021, 1726690, 1828260, 2072028, 2220030, 2590035, 3108042, 3453380, 4440060, 5180070, 6216084, 7770105, 10360140, 15540210, 31080420]

約数ペア:

[(1, 31080420), (2, 15540210), (3, 10360140), (4, 7770105), (5, 6216084), (6, 5180070), (7, 4440060), (9, 3453380), (10, 3108042), (12, 2590035), (14, 2220030), (15, 2072028), (17, 1828260), (18, 1726690), (20, 1554021), (21, 1480020), (28, 1110015), (30, 1036014), (34, 914130), (35, 888012), (36, 863345), (42, 740010), (45, 690676), (51, 609420), (60, 518007), (63, 493340), (68, 457065), (70, 444006), (84, 370005), (85, 365652), (90, 345338), (102, 304710), (105, 296004), (119, 261180), (126, 246670), (140, 222003), (153, 203140), (170, 182826), (180, 172669), (204, 152355), (210, 148002), (238, 130590), (252, 123335), (255, 121884), (306, 101570), (315, 98668), (340, 91413), (357, 87060), (420, 74001), (476, 65295), (510, 60942), (595, 52236), (612, 50785), (630, 49334), (714, 43530), (765, 40628), (1020, 30471), (1071, 29020), (1190, 26118), (1260, 24667), (1428, 21765), (1451, 21420), (1530, 20314), (1785, 17412), (2142, 14510), (2380, 13059), (2902, 10710), (3060, 10157), (3570, 8706), (4284, 7255), (4353, 7140), (5355, 5804)]