31942260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 112275072

約数和(自身を除く): 80332812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 101, 105, 126, 140, 180, 202, 210, 251, 252, 303, 315, 404, 420, 502, 505, 606, 630, 707, 753, 909, 1004, 1010, 1212, 1255, 1260, 1414, 1506, 1515, 1757, 1818, 2020, 2121, 2259, 2510, 2828, 3012, 3030, 3514, 3535, 3636, 3765, 4242, 4518, 4545, 5020, 5271, 6060, 6363, 7028, 7070, 7530, 8484, 8785, 9036, 9090, 10542, 10605, 11295, 12726, 14140, 15060, 15813, 17570, 18180, 21084, 21210, 22590, 25351, 25452, 26355, 31626, 31815, 35140, 42420, 45180, 50702, 52710, 63252, 63630, 76053, 79065, 101404, 105420, 126755, 127260, 152106, 158130, 177457, 228159, 253510, 304212, 316260, 354914, 380265, 456318, 507020, 532371, 709828, 760530, 887285, 912636, 1064742, 1140795, 1521060, 1597113, 1774570, 2129484, 2281590, 2661855, 3194226, 3549140, 4563180, 5323710, 6388452, 7985565, 10647420, 15971130, 31942260]

約数ペア:

[(1, 31942260), (2, 15971130), (3, 10647420), (4, 7985565), (5, 6388452), (6, 5323710), (7, 4563180), (9, 3549140), (10, 3194226), (12, 2661855), (14, 2281590), (15, 2129484), (18, 1774570), (20, 1597113), (21, 1521060), (28, 1140795), (30, 1064742), (35, 912636), (36, 887285), (42, 760530), (45, 709828), (60, 532371), (63, 507020), (70, 456318), (84, 380265), (90, 354914), (101, 316260), (105, 304212), (126, 253510), (140, 228159), (180, 177457), (202, 158130), (210, 152106), (251, 127260), (252, 126755), (303, 105420), (315, 101404), (404, 79065), (420, 76053), (502, 63630), (505, 63252), (606, 52710), (630, 50702), (707, 45180), (753, 42420), (909, 35140), (1004, 31815), (1010, 31626), (1212, 26355), (1255, 25452), (1260, 25351), (1414, 22590), (1506, 21210), (1515, 21084), (1757, 18180), (1818, 17570), (2020, 15813), (2121, 15060), (2259, 14140), (2510, 12726), (2828, 11295), (3012, 10605), (3030, 10542), (3514, 9090), (3535, 9036), (3636, 8785), (3765, 8484), (4242, 7530), (4518, 7070), (4545, 7028), (5020, 6363), (5271, 6060)]