1640768256

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1091

約数の個数: 216

約数和(自身を含む): 5119361520

約数和(自身を除く): 3478593264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 37, 38, 48, 57, 64, 72, 74, 76, 96, 111, 114, 128, 144, 148, 152, 171, 192, 222, 228, 256, 288, 296, 304, 333, 342, 384, 444, 456, 576, 592, 608, 666, 684, 703, 768, 888, 912, 1013, 1152, 1184, 1216, 1332, 1368, 1406, 1776, 1824, 2026, 2109, 2304, 2368, 2432, 2664, 2736, 2812, 3039, 3552, 3648, 4052, 4218, 4736, 4864, 5328, 5472, 5624, 6078, 6327, 7104, 7296, 8104, 8436, 9117, 9472, 10656, 10944, 11248, 12156, 12654, 14208, 14592, 16208, 16872, 18234, 19247, 21312, 21888, 22496, 24312, 25308, 28416, 32416, 33744, 36468, 37481, 38494, 42624, 43776, 44992, 48624, 50616, 57741, 64832, 67488, 72936, 74962, 76988, 85248, 89984, 97248, 101232, 112443, 115482, 129664, 134976, 145872, 149924, 153976, 173223, 179968, 194496, 202464, 224886, 230964, 259328, 269952, 291744, 299848, 307952, 337329, 346446, 388992, 404928, 449772, 461928, 539904, 583488, 599696, 615904, 674658, 692892, 712139, 777984, 809856, 899544, 923856, 1166976, 1199392, 1231808, 1349316, 1385784, 1424278, 1619712, 1799088, 1847712, 2136417, 2333952, 2398784, 2463616, 2698632, 2771568, 2848556, 3598176, 3695424, 4272834, 4797568, 4927232, 5397264, 5543136, 5697112, 6409251, 7196352, 7390848, 8545668, 9595136, 10794528, 11086272, 11394224, 12818502, 14392704, 14781696, 17091336, 21589056, 22172544, 22788448, 25637004, 28785408, 34182672, 43178112, 44345088, 45576896, 51274008, 68365344, 86356224, 91153792, 102548016, 136730688, 182307584, 205096032, 273461376, 410192064, 546922752, 820384128, 1640768256]

約数ペア:

[(1, 1640768256), (2, 820384128), (3, 546922752), (4, 410192064), (6, 273461376), (8, 205096032), (9, 182307584), (12, 136730688), (16, 102548016), (18, 91153792), (19, 86356224), (24, 68365344), (32, 51274008), (36, 45576896), (37, 44345088), (38, 43178112), (48, 34182672), (57, 28785408), (64, 25637004), (72, 22788448), (74, 22172544), (76, 21589056), (96, 17091336), (111, 14781696), (114, 14392704), (128, 12818502), (144, 11394224), (148, 11086272), (152, 10794528), (171, 9595136), (192, 8545668), (222, 7390848), (228, 7196352), (256, 6409251), (288, 5697112), (296, 5543136), (304, 5397264), (333, 4927232), (342, 4797568), (384, 4272834), (444, 3695424), (456, 3598176), (576, 2848556), (592, 2771568), (608, 2698632), (666, 2463616), (684, 2398784), (703, 2333952), (768, 2136417), (888, 1847712), (912, 1799088), (1013, 1619712), (1152, 1424278), (1184, 1385784), (1216, 1349316), (1332, 1231808), (1368, 1199392), (1406, 1166976), (1776, 923856), (1824, 899544), (2026, 809856), (2109, 777984), (2304, 712139), (2368, 692892), (2432, 674658), (2664, 615904), (2736, 599696), (2812, 583488), (3039, 539904), (3552, 461928), (3648, 449772), (4052, 404928), (4218, 388992), (4736, 346446), (4864, 337329), (5328, 307952), (5472, 299848), (5624, 291744), (6078, 269952), (6327, 259328), (7104, 230964), (7296, 224886), (8104, 202464), (8436, 194496), (9117, 179968), (9472, 173223), (10656, 153976), (10944, 149924), (11248, 145872), (12156, 134976), (12654, 129664), (14208, 115482), (14592, 112443), (16208, 101232), (16872, 97248), (18234, 89984), (19247, 85248), (21312, 76988), (21888, 74962), (22496, 72936), (24312, 67488), (25308, 64832), (28416, 57741), (32416, 50616), (33744, 48624), (36468, 44992), (37481, 43776), (38494, 42624)]