256965210

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:475

約数の個数: 112

約数和(自身を含む): 702361800

約数和(自身を除く): 445396590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 101, 135, 162, 202, 243, 270, 303, 349, 405, 486, 505, 606, 698, 729, 810, 909, 1010, 1047, 1215, 1458, 1515, 1745, 1818, 2094, 2430, 2727, 3030, 3141, 3490, 3645, 4545, 5235, 5454, 6282, 7290, 8181, 9090, 9423, 10470, 13635, 15705, 16362, 18846, 24543, 27270, 28269, 31410, 35249, 40905, 47115, 49086, 56538, 70498, 73629, 81810, 84807, 94230, 105747, 122715, 141345, 147258, 169614, 176245, 211494, 245430, 254421, 282690, 317241, 352490, 368145, 424035, 508842, 528735, 634482, 736290, 848070, 951723, 1057470, 1272105, 1586205, 1903446, 2544210, 2855169, 3172410, 4758615, 5710338, 8565507, 9517230, 14275845, 17131014, 25696521, 28551690, 42827535, 51393042, 85655070, 128482605, 256965210]

約数ペア:

[(1, 256965210), (2, 128482605), (3, 85655070), (5, 51393042), (6, 42827535), (9, 28551690), (10, 25696521), (15, 17131014), (18, 14275845), (27, 9517230), (30, 8565507), (45, 5710338), (54, 4758615), (81, 3172410), (90, 2855169), (101, 2544210), (135, 1903446), (162, 1586205), (202, 1272105), (243, 1057470), (270, 951723), (303, 848070), (349, 736290), (405, 634482), (486, 528735), (505, 508842), (606, 424035), (698, 368145), (729, 352490), (810, 317241), (909, 282690), (1010, 254421), (1047, 245430), (1215, 211494), (1458, 176245), (1515, 169614), (1745, 147258), (1818, 141345), (2094, 122715), (2430, 105747), (2727, 94230), (3030, 84807), (3141, 81810), (3490, 73629), (3645, 70498), (4545, 56538), (5235, 49086), (5454, 47115), (6282, 40905), (7290, 35249), (8181, 31410), (9090, 28269), (9423, 27270), (10470, 24543), (13635, 18846), (15705, 16362)]