256863420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:633

約数の個数: 192

約数和(自身を含む): 883975680

約数和(自身を除く): 627112260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 83, 90, 99, 108, 110, 132, 135, 165, 166, 180, 198, 220, 249, 270, 297, 330, 332, 396, 415, 495, 498, 521, 540, 594, 660, 747, 830, 913, 990, 996, 1042, 1188, 1245, 1485, 1494, 1563, 1660, 1826, 1980, 2084, 2241, 2490, 2605, 2739, 2970, 2988, 3126, 3652, 3735, 4482, 4565, 4689, 4980, 5210, 5478, 5731, 5940, 6252, 7470, 7815, 8217, 8964, 9130, 9378, 10420, 10956, 11205, 11462, 13695, 14067, 14940, 15630, 16434, 17193, 18260, 18756, 22410, 22924, 23445, 24651, 27390, 28134, 28655, 31260, 32868, 34386, 41085, 43243, 44820, 46890, 49302, 51579, 54780, 56268, 57310, 68772, 70335, 82170, 85965, 86486, 93780, 98604, 103158, 114620, 123255, 129729, 140670, 154737, 164340, 171930, 172972, 206316, 216215, 246510, 257895, 259458, 281340, 309474, 343860, 389187, 432430, 475673, 493020, 515790, 518916, 618948, 648645, 773685, 778374, 864860, 951346, 1031580, 1167561, 1297290, 1427019, 1547370, 1556748, 1902692, 1945935, 2335122, 2378365, 2594580, 2854038, 3094740, 3891870, 4281057, 4670244, 4756730, 5708076, 5837805, 7135095, 7783740, 8562114, 9513460, 11675610, 12843171, 14270190, 17124228, 21405285, 23351220, 25686342, 28540380, 42810570, 51372684, 64215855, 85621140, 128431710, 256863420]

約数ペア:

[(1, 256863420), (2, 128431710), (3, 85621140), (4, 64215855), (5, 51372684), (6, 42810570), (9, 28540380), (10, 25686342), (11, 23351220), (12, 21405285), (15, 17124228), (18, 14270190), (20, 12843171), (22, 11675610), (27, 9513460), (30, 8562114), (33, 7783740), (36, 7135095), (44, 5837805), (45, 5708076), (54, 4756730), (55, 4670244), (60, 4281057), (66, 3891870), (83, 3094740), (90, 2854038), (99, 2594580), (108, 2378365), (110, 2335122), (132, 1945935), (135, 1902692), (165, 1556748), (166, 1547370), (180, 1427019), (198, 1297290), (220, 1167561), (249, 1031580), (270, 951346), (297, 864860), (330, 778374), (332, 773685), (396, 648645), (415, 618948), (495, 518916), (498, 515790), (521, 493020), (540, 475673), (594, 432430), (660, 389187), (747, 343860), (830, 309474), (913, 281340), (990, 259458), (996, 257895), (1042, 246510), (1188, 216215), (1245, 206316), (1485, 172972), (1494, 171930), (1563, 164340), (1660, 154737), (1826, 140670), (1980, 129729), (2084, 123255), (2241, 114620), (2490, 103158), (2605, 98604), (2739, 93780), (2970, 86486), (2988, 85965), (3126, 82170), (3652, 70335), (3735, 68772), (4482, 57310), (4565, 56268), (4689, 54780), (4980, 51579), (5210, 49302), (5478, 46890), (5731, 44820), (5940, 43243), (6252, 41085), (7470, 34386), (7815, 32868), (8217, 31260), (8964, 28655), (9130, 28134), (9378, 27390), (10420, 24651), (10956, 23445), (11205, 22924), (11462, 22410), (13695, 18756), (14067, 18260), (14940, 17193), (15630, 16434)]