261294080

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 707616000

約数和(自身を除く): 446321920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 79, 80, 85, 95, 128, 136, 152, 158, 160, 170, 190, 256, 272, 304, 316, 320, 323, 340, 380, 395, 512, 544, 608, 632, 640, 646, 680, 760, 790, 1024, 1088, 1216, 1264, 1280, 1292, 1343, 1360, 1501, 1520, 1580, 1615, 2048, 2176, 2432, 2528, 2560, 2584, 2686, 2720, 3002, 3040, 3160, 3230, 4352, 4864, 5056, 5120, 5168, 5372, 5440, 6004, 6080, 6320, 6460, 6715, 7505, 8704, 9728, 10112, 10240, 10336, 10744, 10880, 12008, 12160, 12640, 12920, 13430, 15010, 17408, 19456, 20224, 20672, 21488, 21760, 24016, 24320, 25280, 25517, 25840, 26860, 30020, 34816, 38912, 40448, 41344, 42976, 43520, 48032, 48640, 50560, 51034, 51680, 53720, 60040, 80896, 82688, 85952, 87040, 96064, 97280, 101120, 102068, 103360, 107440, 120080, 127585, 161792, 165376, 171904, 174080, 192128, 194560, 202240, 204136, 206720, 214880, 240160, 255170, 330752, 343808, 384256, 404480, 408272, 413440, 429760, 480320, 510340, 661504, 687616, 768512, 808960, 816544, 826880, 859520, 960640, 1020680, 1375232, 1537024, 1633088, 1653760, 1719040, 1921280, 2041360, 2750464, 3074048, 3266176, 3307520, 3438080, 3842560, 4082720, 6532352, 6876160, 7685120, 8165440, 13064704, 13752320, 15370240, 16330880, 26129408, 32661760, 52258816, 65323520, 130647040, 261294080]

約数ペア:

[(1, 261294080), (2, 130647040), (4, 65323520), (5, 52258816), (8, 32661760), (10, 26129408), (16, 16330880), (17, 15370240), (19, 13752320), (20, 13064704), (32, 8165440), (34, 7685120), (38, 6876160), (40, 6532352), (64, 4082720), (68, 3842560), (76, 3438080), (79, 3307520), (80, 3266176), (85, 3074048), (95, 2750464), (128, 2041360), (136, 1921280), (152, 1719040), (158, 1653760), (160, 1633088), (170, 1537024), (190, 1375232), (256, 1020680), (272, 960640), (304, 859520), (316, 826880), (320, 816544), (323, 808960), (340, 768512), (380, 687616), (395, 661504), (512, 510340), (544, 480320), (608, 429760), (632, 413440), (640, 408272), (646, 404480), (680, 384256), (760, 343808), (790, 330752), (1024, 255170), (1088, 240160), (1216, 214880), (1264, 206720), (1280, 204136), (1292, 202240), (1343, 194560), (1360, 192128), (1501, 174080), (1520, 171904), (1580, 165376), (1615, 161792), (2048, 127585), (2176, 120080), (2432, 107440), (2528, 103360), (2560, 102068), (2584, 101120), (2686, 97280), (2720, 96064), (3002, 87040), (3040, 85952), (3160, 82688), (3230, 80896), (4352, 60040), (4864, 53720), (5056, 51680), (5120, 51034), (5168, 50560), (5372, 48640), (5440, 48032), (6004, 43520), (6080, 42976), (6320, 41344), (6460, 40448), (6715, 38912), (7505, 34816), (8704, 30020), (9728, 26860), (10112, 25840), (10240, 25517), (10336, 25280), (10744, 24320), (10880, 24016), (12008, 21760), (12160, 21488), (12640, 20672), (12920, 20224), (13430, 19456), (15010, 17408)]