202520320

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 528480288

約数和(自身を除く): 325959968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 128, 136, 160, 164, 170, 205, 227, 256, 272, 320, 328, 340, 410, 454, 544, 640, 656, 680, 697, 820, 908, 1088, 1135, 1280, 1312, 1360, 1394, 1640, 1816, 2176, 2270, 2624, 2720, 2788, 3280, 3485, 3632, 3859, 4352, 4540, 5248, 5440, 5576, 6560, 6970, 7264, 7718, 9080, 9307, 10496, 10880, 11152, 13120, 13940, 14528, 15436, 18160, 18614, 19295, 21760, 22304, 26240, 27880, 29056, 30872, 36320, 37228, 38590, 44608, 46535, 52480, 55760, 58112, 61744, 72640, 74456, 77180, 89216, 93070, 111520, 123488, 145280, 148912, 154360, 158219, 178432, 186140, 223040, 246976, 290560, 297824, 308720, 316438, 372280, 446080, 493952, 595648, 617440, 632876, 744560, 791095, 892160, 987904, 1191296, 1234880, 1265752, 1489120, 1582190, 2382592, 2469760, 2531504, 2978240, 3164380, 4939520, 5063008, 5956480, 6328760, 10126016, 11912960, 12657520, 20252032, 25315040, 40504064, 50630080, 101260160, 202520320]

約数ペア:

[(1, 202520320), (2, 101260160), (4, 50630080), (5, 40504064), (8, 25315040), (10, 20252032), (16, 12657520), (17, 11912960), (20, 10126016), (32, 6328760), (34, 5956480), (40, 5063008), (41, 4939520), (64, 3164380), (68, 2978240), (80, 2531504), (82, 2469760), (85, 2382592), (128, 1582190), (136, 1489120), (160, 1265752), (164, 1234880), (170, 1191296), (205, 987904), (227, 892160), (256, 791095), (272, 744560), (320, 632876), (328, 617440), (340, 595648), (410, 493952), (454, 446080), (544, 372280), (640, 316438), (656, 308720), (680, 297824), (697, 290560), (820, 246976), (908, 223040), (1088, 186140), (1135, 178432), (1280, 158219), (1312, 154360), (1360, 148912), (1394, 145280), (1640, 123488), (1816, 111520), (2176, 93070), (2270, 89216), (2624, 77180), (2720, 74456), (2788, 72640), (3280, 61744), (3485, 58112), (3632, 55760), (3859, 52480), (4352, 46535), (4540, 44608), (5248, 38590), (5440, 37228), (5576, 36320), (6560, 30872), (6970, 29056), (7264, 27880), (7718, 26240), (9080, 22304), (9307, 21760), (10496, 19295), (10880, 18614), (11152, 18160), (13120, 15436), (13940, 14528)]