85701420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4001}}^1$

素因数の和:4040

約数の個数: 144

約数和(自身を含む): 314653248

約数和(自身を除く): 228951828

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, 1530, 1785, 2142, 2380, 3060, 3570, 4001, 4284, 5355, 7140, 8002, 10710, 12003, 16004, 20005, 21420, 24006, 28007, 36009, 40010, 48012, 56014, 60015, 68017, 72018, 80020, 84021, 112028, 120030, 136034, 140035, 144036, 168042, 180045, 204051, 240060, 252063, 272068, 280070, 336084, 340085, 360090, 408102, 420105, 476119, 504126, 560140, 612153, 680170, 720180, 816204, 840210, 952238, 1008252, 1020255, 1224306, 1260315, 1360340, 1428357, 1680420, 1904476, 2040510, 2380595, 2448612, 2520630, 2856714, 3060765, 4081020, 4285071, 4761190, 5041260, 5713428, 6121530, 7141785, 8570142, 9522380, 12243060, 14283570, 17140284, 21425355, 28567140, 42850710, 85701420]

約数ペア:

[(1, 85701420), (2, 42850710), (3, 28567140), (4, 21425355), (5, 17140284), (6, 14283570), (7, 12243060), (9, 9522380), (10, 8570142), (12, 7141785), (14, 6121530), (15, 5713428), (17, 5041260), (18, 4761190), (20, 4285071), (21, 4081020), (28, 3060765), (30, 2856714), (34, 2520630), (35, 2448612), (36, 2380595), (42, 2040510), (45, 1904476), (51, 1680420), (60, 1428357), (63, 1360340), (68, 1260315), (70, 1224306), (84, 1020255), (85, 1008252), (90, 952238), (102, 840210), (105, 816204), (119, 720180), (126, 680170), (140, 612153), (153, 560140), (170, 504126), (180, 476119), (204, 420105), (210, 408102), (238, 360090), (252, 340085), (255, 336084), (306, 280070), (315, 272068), (340, 252063), (357, 240060), (420, 204051), (476, 180045), (510, 168042), (595, 144036), (612, 140035), (630, 136034), (714, 120030), (765, 112028), (1020, 84021), (1071, 80020), (1190, 72018), (1260, 68017), (1428, 60015), (1530, 56014), (1785, 48012), (2142, 40010), (2380, 36009), (3060, 28007), (3570, 24006), (4001, 21420), (4284, 20005), (5355, 16004), (7140, 12003), (8002, 10710)]