19401747675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{439}}^1\times {\mathrm{2039}}^1$

素因数の和:2525

約数の個数: 72

約数和(自身を含む): 34169836800

約数和(自身を除く): 14768089125

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 439, 867, 1275, 1317, 1445, 2039, 2195, 4335, 6117, 6585, 7225, 7463, 10195, 10975, 21675, 22389, 30585, 32925, 34663, 37315, 50975, 103989, 111945, 126871, 152925, 173315, 186575, 380613, 519945, 559725, 589271, 634355, 866575, 895121, 1767813, 1903065, 2599725, 2685363, 2946355, 3171775, 4475605, 8839065, 9515325, 13426815, 14731775, 15217057, 22378025, 44195325, 45651171, 67134075, 76085285, 228255855, 258689969, 380426425, 776069907, 1141279275, 1293449845, 3880349535, 6467249225, 19401747675]

約数ペア:

[(1, 19401747675), (3, 6467249225), (5, 3880349535), (15, 1293449845), (17, 1141279275), (25, 776069907), (51, 380426425), (75, 258689969), (85, 228255855), (255, 76085285), (289, 67134075), (425, 45651171), (439, 44195325), (867, 22378025), (1275, 15217057), (1317, 14731775), (1445, 13426815), (2039, 9515325), (2195, 8839065), (4335, 4475605), (6117, 3171775), (6585, 2946355), (7225, 2685363), (7463, 2599725), (10195, 1903065), (10975, 1767813), (21675, 895121), (22389, 866575), (30585, 634355), (32925, 589271), (34663, 559725), (37315, 519945), (50975, 380613), (103989, 186575), (111945, 173315), (126871, 152925)]