644567376

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:449

約数の個数: 160

約数和(自身を含む): 1847881728

約数和(自身を除く): 1203314352

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 83, 93, 102, 124, 136, 166, 186, 204, 248, 249, 272, 307, 332, 372, 408, 496, 498, 527, 614, 664, 744, 816, 921, 996, 1054, 1228, 1328, 1411, 1488, 1581, 1842, 1992, 2108, 2456, 2573, 2822, 3162, 3684, 3984, 4216, 4233, 4912, 5146, 5219, 5644, 6324, 7368, 7719, 8432, 8466, 9517, 10292, 10438, 11288, 12648, 14736, 15438, 15657, 16932, 19034, 20584, 20876, 22576, 25296, 25481, 28551, 30876, 31314, 33864, 38068, 41168, 41752, 43741, 50962, 57102, 61752, 62628, 67728, 76136, 76443, 83504, 87482, 101924, 114204, 123504, 125256, 131223, 152272, 152886, 161789, 174964, 203848, 228408, 250512, 262446, 305772, 323578, 349928, 407696, 433177, 456816, 485367, 524892, 611544, 647156, 699856, 789911, 866354, 970734, 1049784, 1223088, 1294312, 1299531, 1579822, 1732708, 1941468, 2099568, 2369733, 2588624, 2599062, 3159644, 3465416, 3882936, 4739466, 5198124, 6319288, 6930832, 7765872, 9478932, 10396248, 12638576, 13428487, 18957864, 20792496, 26856974, 37915728, 40285461, 53713948, 80570922, 107427896, 161141844, 214855792, 322283688, 644567376]

約数ペア:

[(1, 644567376), (2, 322283688), (3, 214855792), (4, 161141844), (6, 107427896), (8, 80570922), (12, 53713948), (16, 40285461), (17, 37915728), (24, 26856974), (31, 20792496), (34, 18957864), (48, 13428487), (51, 12638576), (62, 10396248), (68, 9478932), (83, 7765872), (93, 6930832), (102, 6319288), (124, 5198124), (136, 4739466), (166, 3882936), (186, 3465416), (204, 3159644), (248, 2599062), (249, 2588624), (272, 2369733), (307, 2099568), (332, 1941468), (372, 1732708), (408, 1579822), (496, 1299531), (498, 1294312), (527, 1223088), (614, 1049784), (664, 970734), (744, 866354), (816, 789911), (921, 699856), (996, 647156), (1054, 611544), (1228, 524892), (1328, 485367), (1411, 456816), (1488, 433177), (1581, 407696), (1842, 349928), (1992, 323578), (2108, 305772), (2456, 262446), (2573, 250512), (2822, 228408), (3162, 203848), (3684, 174964), (3984, 161789), (4216, 152886), (4233, 152272), (4912, 131223), (5146, 125256), (5219, 123504), (5644, 114204), (6324, 101924), (7368, 87482), (7719, 83504), (8432, 76443), (8466, 76136), (9517, 67728), (10292, 62628), (10438, 61752), (11288, 57102), (12648, 50962), (14736, 43741), (15438, 41752), (15657, 41168), (16932, 38068), (19034, 33864), (20584, 31314), (20876, 30876), (22576, 28551), (25296, 25481)]