2161145728

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:197

約数の個数: 256

約数和(自身を含む): 5507020800

約数和(自身を除く): 3345875072

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 37, 38, 47, 56, 64, 73, 74, 76, 94, 112, 128, 133, 146, 148, 152, 188, 224, 259, 266, 292, 296, 304, 329, 376, 448, 511, 518, 532, 584, 592, 608, 658, 703, 752, 893, 896, 1022, 1036, 1064, 1168, 1184, 1216, 1316, 1387, 1406, 1504, 1739, 1786, 2044, 2072, 2128, 2336, 2368, 2432, 2632, 2701, 2774, 2812, 3008, 3431, 3478, 3572, 4088, 4144, 4256, 4672, 4736, 4921, 5264, 5402, 5548, 5624, 6016, 6251, 6862, 6956, 7144, 8176, 8288, 8512, 9344, 9709, 9842, 10528, 10804, 11096, 11248, 12173, 12502, 13724, 13912, 14288, 16352, 16576, 17024, 18907, 19418, 19684, 21056, 21608, 22192, 22496, 24017, 24346, 25004, 27448, 27824, 28576, 32704, 33041, 33152, 37814, 38836, 39368, 42112, 43216, 44384, 44992, 48034, 48692, 50008, 51319, 54896, 55648, 57152, 65189, 65408, 66082, 75628, 77672, 78736, 86432, 88768, 89984, 96068, 97384, 100016, 102638, 109792, 111296, 114304, 126947, 130378, 132164, 151256, 155344, 157472, 172864, 177536, 192136, 194768, 200032, 205276, 219584, 222592, 231287, 253894, 260756, 264328, 302512, 310688, 314944, 345728, 359233, 384272, 389536, 400064, 410552, 439168, 456323, 462574, 507788, 521512, 528656, 605024, 621376, 629888, 718466, 768544, 779072, 800128, 821104, 888629, 912646, 925148, 1015576, 1043024, 1057312, 1210048, 1242752, 1436932, 1537088, 1558144, 1642208, 1777258, 1825292, 1850296, 2031152, 2086048, 2114624, 2411993, 2420096, 2873864, 3074176, 3284416, 3554516, 3650584, 3700592, 4062304, 4172096, 4229248, 4823986, 5747728, 6568832, 7109032, 7301168, 7401184, 8124608, 8344192, 9647972, 11495456, 14218064, 14602336, 14802368, 16249216, 16883951, 19295944, 22990912, 28436128, 29204672, 29604736, 33767902, 38591888, 45981824, 56872256, 58409344, 67535804, 77183776, 113744512, 135071608, 154367552, 270143216, 308735104, 540286432, 1080572864, 2161145728]

約数ペア:

[(1, 2161145728), (2, 1080572864), (4, 540286432), (7, 308735104), (8, 270143216), (14, 154367552), (16, 135071608), (19, 113744512), (28, 77183776), (32, 67535804), (37, 58409344), (38, 56872256), (47, 45981824), (56, 38591888), (64, 33767902), (73, 29604736), (74, 29204672), (76, 28436128), (94, 22990912), (112, 19295944), (128, 16883951), (133, 16249216), (146, 14802368), (148, 14602336), (152, 14218064), (188, 11495456), (224, 9647972), (259, 8344192), (266, 8124608), (292, 7401184), (296, 7301168), (304, 7109032), (329, 6568832), (376, 5747728), (448, 4823986), (511, 4229248), (518, 4172096), (532, 4062304), (584, 3700592), (592, 3650584), (608, 3554516), (658, 3284416), (703, 3074176), (752, 2873864), (893, 2420096), (896, 2411993), (1022, 2114624), (1036, 2086048), (1064, 2031152), (1168, 1850296), (1184, 1825292), (1216, 1777258), (1316, 1642208), (1387, 1558144), (1406, 1537088), (1504, 1436932), (1739, 1242752), (1786, 1210048), (2044, 1057312), (2072, 1043024), (2128, 1015576), (2336, 925148), (2368, 912646), (2432, 888629), (2632, 821104), (2701, 800128), (2774, 779072), (2812, 768544), (3008, 718466), (3431, 629888), (3478, 621376), (3572, 605024), (4088, 528656), (4144, 521512), (4256, 507788), (4672, 462574), (4736, 456323), (4921, 439168), (5264, 410552), (5402, 400064), (5548, 389536), (5624, 384272), (6016, 359233), (6251, 345728), (6862, 314944), (6956, 310688), (7144, 302512), (8176, 264328), (8288, 260756), (8512, 253894), (9344, 231287), (9709, 222592), (9842, 219584), (10528, 205276), (10804, 200032), (11096, 194768), (11248, 192136), (12173, 177536), (12502, 172864), (13724, 157472), (13912, 155344), (14288, 151256), (16352, 132164), (16576, 130378), (17024, 126947), (18907, 114304), (19418, 111296), (19684, 109792), (21056, 102638), (21608, 100016), (22192, 97384), (22496, 96068), (24017, 89984), (24346, 88768), (25004, 86432), (27448, 78736), (27824, 77672), (28576, 75628), (32704, 66082), (33041, 65408), (33152, 65189), (37814, 57152), (38836, 55648), (39368, 54896), (42112, 51319), (43216, 50008), (44384, 48692), (44992, 48034)]