2561015028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1553}}^1$

素因数の和:1646

約数の個数: 144

約数和(自身を含む): 7258845888

約数和(自身を除く): 4697830860

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 31, 33, 39, 44, 52, 62, 66, 78, 93, 124, 132, 143, 156, 186, 286, 341, 372, 403, 429, 572, 682, 806, 858, 961, 1023, 1209, 1364, 1553, 1612, 1716, 1922, 2046, 2418, 2883, 3106, 3844, 4092, 4433, 4659, 4836, 5766, 6212, 8866, 9318, 10571, 11532, 12493, 13299, 17083, 17732, 18636, 20189, 21142, 24986, 26598, 31713, 34166, 37479, 40378, 42284, 48143, 49972, 51249, 53196, 60567, 63426, 68332, 74958, 80756, 96286, 102498, 121134, 126852, 137423, 144429, 149916, 192572, 204996, 222079, 242268, 274846, 288858, 412269, 444158, 529573, 549692, 577716, 625859, 666237, 824538, 888316, 1059146, 1251718, 1332474, 1492433, 1588719, 1649076, 1877577, 2118292, 2503436, 2664948, 2984866, 3177438, 3755154, 4477299, 5969732, 6354876, 6884449, 7510308, 8954598, 13768898, 16416763, 17909196, 19401629, 20653347, 27537796, 32833526, 38803258, 41306694, 49250289, 58204887, 65667052, 77606516, 82613388, 98500578, 116409774, 197001156, 213417919, 232819548, 426835838, 640253757, 853671676, 1280507514, 2561015028]

約数ペア:

[(1, 2561015028), (2, 1280507514), (3, 853671676), (4, 640253757), (6, 426835838), (11, 232819548), (12, 213417919), (13, 197001156), (22, 116409774), (26, 98500578), (31, 82613388), (33, 77606516), (39, 65667052), (44, 58204887), (52, 49250289), (62, 41306694), (66, 38803258), (78, 32833526), (93, 27537796), (124, 20653347), (132, 19401629), (143, 17909196), (156, 16416763), (186, 13768898), (286, 8954598), (341, 7510308), (372, 6884449), (403, 6354876), (429, 5969732), (572, 4477299), (682, 3755154), (806, 3177438), (858, 2984866), (961, 2664948), (1023, 2503436), (1209, 2118292), (1364, 1877577), (1553, 1649076), (1612, 1588719), (1716, 1492433), (1922, 1332474), (2046, 1251718), (2418, 1059146), (2883, 888316), (3106, 824538), (3844, 666237), (4092, 625859), (4433, 577716), (4659, 549692), (4836, 529573), (5766, 444158), (6212, 412269), (8866, 288858), (9318, 274846), (10571, 242268), (11532, 222079), (12493, 204996), (13299, 192572), (17083, 149916), (17732, 144429), (18636, 137423), (20189, 126852), (21142, 121134), (24986, 102498), (26598, 96286), (31713, 80756), (34166, 74958), (37479, 68332), (40378, 63426), (42284, 60567), (48143, 53196), (49972, 51249)]