638533728

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:386

約数の個数: 288

約数和(自身を含む): 2219083776

約数和(自身を除く): 1580550048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 47, 48, 56, 63, 69, 72, 84, 92, 94, 96, 112, 126, 138, 141, 144, 161, 168, 184, 188, 207, 224, 252, 276, 282, 288, 293, 322, 329, 336, 368, 376, 414, 423, 483, 504, 552, 564, 586, 644, 658, 672, 736, 752, 828, 846, 879, 966, 987, 1008, 1081, 1104, 1128, 1172, 1288, 1316, 1449, 1504, 1656, 1692, 1758, 1932, 1974, 2016, 2051, 2162, 2208, 2256, 2344, 2576, 2632, 2637, 2898, 2961, 3243, 3312, 3384, 3516, 3864, 3948, 4102, 4324, 4512, 4688, 5152, 5264, 5274, 5796, 5922, 6153, 6486, 6624, 6739, 6768, 7032, 7567, 7728, 7896, 8204, 8648, 9376, 9729, 10528, 10548, 11592, 11844, 12306, 12972, 13478, 13536, 13771, 14064, 15134, 15456, 15792, 16408, 17296, 18459, 19458, 20217, 21096, 22701, 23184, 23688, 24612, 25944, 26956, 27542, 28128, 30268, 31584, 32816, 34592, 36918, 38916, 40434, 41313, 42192, 45402, 46368, 47173, 47376, 49224, 51888, 53912, 55084, 60536, 60651, 65632, 68103, 73836, 77832, 80868, 82626, 84384, 90804, 94346, 94752, 96397, 98448, 103776, 107824, 110168, 121072, 121302, 123939, 136206, 141519, 147672, 155664, 161736, 165252, 181608, 188692, 192794, 196896, 215648, 220336, 242144, 242604, 247878, 272412, 283038, 289191, 295344, 311328, 316733, 323472, 330504, 363216, 377384, 385588, 424557, 440672, 485208, 495756, 544824, 566076, 578382, 590688, 633466, 646944, 661008, 726432, 754768, 771176, 849114, 867573, 950199, 970416, 991512, 1089648, 1132152, 1156764, 1266932, 1322016, 1509536, 1542352, 1698228, 1735146, 1900398, 1940832, 1983024, 2179296, 2217131, 2264304, 2313528, 2533864, 2850597, 3084704, 3396456, 3470292, 3800796, 3966048, 4434262, 4528608, 4627056, 5067728, 5701194, 6651393, 6792912, 6940584, 7601592, 8868524, 9254112, 10135456, 11402388, 13302786, 13585824, 13881168, 15203184, 17737048, 19954179, 22804776, 26605572, 27762336, 30406368, 35474096, 39908358, 45609552, 53211144, 70948192, 79816716, 91219104, 106422288, 159633432, 212844576, 319266864, 638533728]

約数ペア:

[(1, 638533728), (2, 319266864), (3, 212844576), (4, 159633432), (6, 106422288), (7, 91219104), (8, 79816716), (9, 70948192), (12, 53211144), (14, 45609552), (16, 39908358), (18, 35474096), (21, 30406368), (23, 27762336), (24, 26605572), (28, 22804776), (32, 19954179), (36, 17737048), (42, 15203184), (46, 13881168), (47, 13585824), (48, 13302786), (56, 11402388), (63, 10135456), (69, 9254112), (72, 8868524), (84, 7601592), (92, 6940584), (94, 6792912), (96, 6651393), (112, 5701194), (126, 5067728), (138, 4627056), (141, 4528608), (144, 4434262), (161, 3966048), (168, 3800796), (184, 3470292), (188, 3396456), (207, 3084704), (224, 2850597), (252, 2533864), (276, 2313528), (282, 2264304), (288, 2217131), (293, 2179296), (322, 1983024), (329, 1940832), (336, 1900398), (368, 1735146), (376, 1698228), (414, 1542352), (423, 1509536), (483, 1322016), (504, 1266932), (552, 1156764), (564, 1132152), (586, 1089648), (644, 991512), (658, 970416), (672, 950199), (736, 867573), (752, 849114), (828, 771176), (846, 754768), (879, 726432), (966, 661008), (987, 646944), (1008, 633466), (1081, 590688), (1104, 578382), (1128, 566076), (1172, 544824), (1288, 495756), (1316, 485208), (1449, 440672), (1504, 424557), (1656, 385588), (1692, 377384), (1758, 363216), (1932, 330504), (1974, 323472), (2016, 316733), (2051, 311328), (2162, 295344), (2208, 289191), (2256, 283038), (2344, 272412), (2576, 247878), (2632, 242604), (2637, 242144), (2898, 220336), (2961, 215648), (3243, 196896), (3312, 192794), (3384, 188692), (3516, 181608), (3864, 165252), (3948, 161736), (4102, 155664), (4324, 147672), (4512, 141519), (4688, 136206), (5152, 123939), (5264, 121302), (5274, 121072), (5796, 110168), (5922, 107824), (6153, 103776), (6486, 98448), (6624, 96397), (6739, 94752), (6768, 94346), (7032, 90804), (7567, 84384), (7728, 82626), (7896, 80868), (8204, 77832), (8648, 73836), (9376, 68103), (9729, 65632), (10528, 60651), (10548, 60536), (11592, 55084), (11844, 53912), (12306, 51888), (12972, 49224), (13478, 47376), (13536, 47173), (13771, 46368), (14064, 45402), (15134, 42192), (15456, 41313), (15792, 40434), (16408, 38916), (17296, 36918), (18459, 34592), (19458, 32816), (20217, 31584), (21096, 30268), (22701, 28128), (23184, 27542), (23688, 26956), (24612, 25944)]