2781281940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{143513}}^1$

素因数の和:143561

約数の個数: 96

約数和(自身を含む): 8679726720

約数和(自身を除く): 5898444780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1615, 1938, 3230, 3876, 4845, 6460, 9690, 19380, 143513, 287026, 430539, 574052, 717565, 861078, 1435130, 1722156, 2152695, 2439721, 2726747, 2870260, 4305390, 4879442, 5453494, 7319163, 8180241, 8610780, 9758884, 10906988, 12198605, 13633735, 14638326, 16360482, 24397210, 27267470, 29276652, 32720964, 36595815, 40901205, 46354699, 48794420, 54534940, 73191630, 81802410, 92709398, 139064097, 146383260, 163604820, 185418796, 231773495, 278128194, 463546990, 556256388, 695320485, 927093980, 1390640970, 2781281940]

約数ペア:

[(1, 2781281940), (2, 1390640970), (3, 927093980), (4, 695320485), (5, 556256388), (6, 463546990), (10, 278128194), (12, 231773495), (15, 185418796), (17, 163604820), (19, 146383260), (20, 139064097), (30, 92709398), (34, 81802410), (38, 73191630), (51, 54534940), (57, 48794420), (60, 46354699), (68, 40901205), (76, 36595815), (85, 32720964), (95, 29276652), (102, 27267470), (114, 24397210), (170, 16360482), (190, 14638326), (204, 13633735), (228, 12198605), (255, 10906988), (285, 9758884), (323, 8610780), (340, 8180241), (380, 7319163), (510, 5453494), (570, 4879442), (646, 4305390), (969, 2870260), (1020, 2726747), (1140, 2439721), (1292, 2152695), (1615, 1722156), (1938, 1435130), (3230, 861078), (3876, 717565), (4845, 574052), (6460, 430539), (9690, 287026), (19380, 143513)]