1217385960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19853}}^1$

素因数の和:19947

約数の個数: 128

約数和(自身を含む): 4231284480

約数和(自身を除く): 3013898520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 7665, 8760, 10220, 12264, 15330, 19853, 20440, 30660, 39706, 59559, 61320, 79412, 99265, 119118, 138971, 158824, 198530, 238236, 277942, 297795, 397060, 416913, 476472, 555884, 595590, 694855, 794120, 833826, 1111768, 1191180, 1389710, 1449269, 1667652, 2084565, 2382360, 2779420, 2898538, 3335304, 4169130, 4347807, 5558840, 5797076, 7246345, 8338260, 8695614, 10144883, 11594152, 14492690, 16676520, 17391228, 20289766, 21739035, 28985380, 30434649, 34782456, 40579532, 43478070, 50724415, 57970760, 60869298, 81159064, 86956140, 101448830, 121738596, 152173245, 173912280, 202897660, 243477192, 304346490, 405795320, 608692980, 1217385960]

約数ペア:

[(1, 1217385960), (2, 608692980), (3, 405795320), (4, 304346490), (5, 243477192), (6, 202897660), (7, 173912280), (8, 152173245), (10, 121738596), (12, 101448830), (14, 86956140), (15, 81159064), (20, 60869298), (21, 57970760), (24, 50724415), (28, 43478070), (30, 40579532), (35, 34782456), (40, 30434649), (42, 28985380), (56, 21739035), (60, 20289766), (70, 17391228), (73, 16676520), (84, 14492690), (105, 11594152), (120, 10144883), (140, 8695614), (146, 8338260), (168, 7246345), (210, 5797076), (219, 5558840), (280, 4347807), (292, 4169130), (365, 3335304), (420, 2898538), (438, 2779420), (511, 2382360), (584, 2084565), (730, 1667652), (840, 1449269), (876, 1389710), (1022, 1191180), (1095, 1111768), (1460, 833826), (1533, 794120), (1752, 694855), (2044, 595590), (2190, 555884), (2555, 476472), (2920, 416913), (3066, 397060), (4088, 297795), (4380, 277942), (5110, 238236), (6132, 198530), (7665, 158824), (8760, 138971), (10220, 119118), (12264, 99265), (15330, 79412), (19853, 61320), (20440, 59559), (30660, 39706)]