64989540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1$

素因数の和:560

約数の個数: 240

約数和(自身を含む): 254669184

約数和(自身を除く): 189679644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 81, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 162, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 324, 330, 378, 385, 396, 405, 420, 462, 495, 521, 540, 567, 594, 630, 660, 693, 756, 770, 810, 891, 924, 945, 990, 1042, 1134, 1155, 1188, 1260, 1386, 1485, 1540, 1563, 1620, 1782, 1890, 1980, 2079, 2084, 2268, 2310, 2605, 2772, 2835, 2970, 3126, 3465, 3564, 3647, 3780, 4158, 4455, 4620, 4689, 5210, 5670, 5731, 5940, 6237, 6252, 6930, 7294, 7815, 8316, 8910, 9378, 10395, 10420, 10941, 11340, 11462, 12474, 13860, 14067, 14588, 15630, 17193, 17820, 18235, 18756, 20790, 21882, 22924, 23445, 24948, 28134, 28655, 31185, 31260, 32823, 34386, 36470, 40117, 41580, 42201, 43764, 46890, 51579, 54705, 56268, 57310, 62370, 65646, 68772, 70335, 72940, 80234, 84402, 85965, 93780, 98469, 103158, 109410, 114620, 120351, 124740, 131292, 140670, 154737, 160468, 164115, 168804, 171930, 196938, 200585, 206316, 211005, 218820, 240702, 257895, 281340, 295407, 309474, 328230, 343860, 361053, 393876, 401170, 422010, 464211, 481404, 492345, 515790, 590814, 601755, 618948, 656460, 722106, 773685, 802340, 844020, 928422, 984690, 1031580, 1083159, 1181628, 1203510, 1444212, 1477035, 1547370, 1805265, 1856844, 1969380, 2166318, 2321055, 2407020, 2954070, 3094740, 3249477, 3610530, 4332636, 4642110, 5415795, 5908140, 6498954, 7221060, 9284220, 10831590, 12997908, 16247385, 21663180, 32494770, 64989540]

約数ペア:

[(1, 64989540), (2, 32494770), (3, 21663180), (4, 16247385), (5, 12997908), (6, 10831590), (7, 9284220), (9, 7221060), (10, 6498954), (11, 5908140), (12, 5415795), (14, 4642110), (15, 4332636), (18, 3610530), (20, 3249477), (21, 3094740), (22, 2954070), (27, 2407020), (28, 2321055), (30, 2166318), (33, 1969380), (35, 1856844), (36, 1805265), (42, 1547370), (44, 1477035), (45, 1444212), (54, 1203510), (55, 1181628), (60, 1083159), (63, 1031580), (66, 984690), (70, 928422), (77, 844020), (81, 802340), (84, 773685), (90, 722106), (99, 656460), (105, 618948), (108, 601755), (110, 590814), (126, 515790), (132, 492345), (135, 481404), (140, 464211), (154, 422010), (162, 401170), (165, 393876), (180, 361053), (189, 343860), (198, 328230), (210, 309474), (220, 295407), (231, 281340), (252, 257895), (270, 240702), (297, 218820), (308, 211005), (315, 206316), (324, 200585), (330, 196938), (378, 171930), (385, 168804), (396, 164115), (405, 160468), (420, 154737), (462, 140670), (495, 131292), (521, 124740), (540, 120351), (567, 114620), (594, 109410), (630, 103158), (660, 98469), (693, 93780), (756, 85965), (770, 84402), (810, 80234), (891, 72940), (924, 70335), (945, 68772), (990, 65646), (1042, 62370), (1134, 57310), (1155, 56268), (1188, 54705), (1260, 51579), (1386, 46890), (1485, 43764), (1540, 42201), (1563, 41580), (1620, 40117), (1782, 36470), (1890, 34386), (1980, 32823), (2079, 31260), (2084, 31185), (2268, 28655), (2310, 28134), (2605, 24948), (2772, 23445), (2835, 22924), (2970, 21882), (3126, 20790), (3465, 18756), (3564, 18235), (3647, 17820), (3780, 17193), (4158, 15630), (4455, 14588), (4620, 14067), (4689, 13860), (5210, 12474), (5670, 11462), (5731, 11340), (5940, 10941), (6237, 10420), (6252, 10395), (6930, 9378), (7294, 8910), (7815, 8316)]