31281390

素因数分解:

$2^1\times 3^6\times 5^1\times 7^1\times {\mathrm{613}}^1$

素因数の和:645

約数の個数: 112

約数和(自身を含む): 96638688

約数和(自身を除く): 65357298

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 243, 270, 315, 378, 405, 486, 567, 613, 630, 729, 810, 945, 1134, 1215, 1226, 1458, 1701, 1839, 1890, 2430, 2835, 3065, 3402, 3645, 3678, 4291, 5103, 5517, 5670, 6130, 7290, 8505, 8582, 9195, 10206, 11034, 12873, 16551, 17010, 18390, 21455, 25515, 25746, 27585, 33102, 38619, 42910, 49653, 51030, 55170, 64365, 77238, 82755, 99306, 115857, 128730, 148959, 165510, 193095, 231714, 248265, 297918, 347571, 386190, 446877, 496530, 579285, 695142, 744795, 893754, 1042713, 1158570, 1489590, 1737855, 2085426, 2234385, 3128139, 3475710, 4468770, 5213565, 6256278, 10427130, 15640695, 31281390]

約数ペア:

[(1, 31281390), (2, 15640695), (3, 10427130), (5, 6256278), (6, 5213565), (7, 4468770), (9, 3475710), (10, 3128139), (14, 2234385), (15, 2085426), (18, 1737855), (21, 1489590), (27, 1158570), (30, 1042713), (35, 893754), (42, 744795), (45, 695142), (54, 579285), (63, 496530), (70, 446877), (81, 386190), (90, 347571), (105, 297918), (126, 248265), (135, 231714), (162, 193095), (189, 165510), (210, 148959), (243, 128730), (270, 115857), (315, 99306), (378, 82755), (405, 77238), (486, 64365), (567, 55170), (613, 51030), (630, 49653), (729, 42910), (810, 38619), (945, 33102), (1134, 27585), (1215, 25746), (1226, 25515), (1458, 21455), (1701, 18390), (1839, 17010), (1890, 16551), (2430, 12873), (2835, 11034), (3065, 10206), (3402, 9195), (3645, 8582), (3678, 8505), (4291, 7290), (5103, 6130), (5517, 5670)]