61721280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:791

約数の個数: 168

約数和(自身を含む): 219913200

約数和(自身を除く): 158191920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 192, 232, 240, 261, 288, 290, 320, 348, 360, 435, 464, 480, 522, 576, 580, 696, 720, 739, 870, 928, 960, 1044, 1160, 1305, 1392, 1440, 1478, 1740, 1856, 2088, 2217, 2320, 2610, 2784, 2880, 2956, 3480, 3695, 4176, 4434, 4640, 5220, 5568, 5912, 6651, 6960, 7390, 8352, 8868, 9280, 10440, 11085, 11824, 13302, 13920, 14780, 16704, 17736, 20880, 21431, 22170, 23648, 26604, 27840, 29560, 33255, 35472, 41760, 42862, 44340, 47296, 53208, 59120, 64293, 66510, 70944, 83520, 85724, 88680, 106416, 107155, 118240, 128586, 133020, 141888, 171448, 177360, 192879, 212832, 214310, 236480, 257172, 266040, 321465, 342896, 354720, 385758, 425664, 428620, 514344, 532080, 642930, 685792, 709440, 771516, 857240, 964395, 1028688, 1064160, 1285860, 1371584, 1543032, 1714480, 1928790, 2057376, 2128320, 2571720, 3086064, 3428960, 3857580, 4114752, 5143440, 6172128, 6857920, 7715160, 10286880, 12344256, 15430320, 20573760, 30860640, 61721280]

約数ペア:

[(1, 61721280), (2, 30860640), (3, 20573760), (4, 15430320), (5, 12344256), (6, 10286880), (8, 7715160), (9, 6857920), (10, 6172128), (12, 5143440), (15, 4114752), (16, 3857580), (18, 3428960), (20, 3086064), (24, 2571720), (29, 2128320), (30, 2057376), (32, 1928790), (36, 1714480), (40, 1543032), (45, 1371584), (48, 1285860), (58, 1064160), (60, 1028688), (64, 964395), (72, 857240), (80, 771516), (87, 709440), (90, 685792), (96, 642930), (116, 532080), (120, 514344), (144, 428620), (145, 425664), (160, 385758), (174, 354720), (180, 342896), (192, 321465), (232, 266040), (240, 257172), (261, 236480), (288, 214310), (290, 212832), (320, 192879), (348, 177360), (360, 171448), (435, 141888), (464, 133020), (480, 128586), (522, 118240), (576, 107155), (580, 106416), (696, 88680), (720, 85724), (739, 83520), (870, 70944), (928, 66510), (960, 64293), (1044, 59120), (1160, 53208), (1305, 47296), (1392, 44340), (1440, 42862), (1478, 41760), (1740, 35472), (1856, 33255), (2088, 29560), (2217, 27840), (2320, 26604), (2610, 23648), (2784, 22170), (2880, 21431), (2956, 20880), (3480, 17736), (3695, 16704), (4176, 14780), (4434, 13920), (4640, 13302), (5220, 11824), (5568, 11085), (5912, 10440), (6651, 9280), (6960, 8868), (7390, 8352)]