64442840

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 160

約数和(自身を含む): 187554960

約数和(自身を除く): 123112120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 61, 70, 77, 88, 98, 110, 122, 140, 154, 196, 220, 244, 245, 280, 305, 308, 343, 385, 392, 427, 440, 488, 490, 539, 610, 616, 671, 686, 770, 854, 980, 1078, 1220, 1342, 1372, 1540, 1708, 1715, 1960, 2135, 2156, 2401, 2440, 2684, 2695, 2744, 2989, 3080, 3355, 3416, 3430, 3773, 4270, 4312, 4697, 4802, 5368, 5390, 5978, 6710, 6860, 7546, 8540, 9394, 9604, 10780, 11956, 12005, 13420, 13720, 14945, 15092, 17080, 18788, 18865, 19208, 20923, 21560, 23485, 23912, 24010, 26411, 26840, 29890, 30184, 32879, 37576, 37730, 41846, 46970, 48020, 52822, 59780, 65758, 75460, 83692, 93940, 96040, 104615, 105644, 119560, 131516, 132055, 146461, 150920, 164395, 167384, 187880, 209230, 211288, 230153, 263032, 264110, 292922, 328790, 418460, 460306, 528220, 585844, 657580, 732305, 836920, 920612, 1056440, 1150765, 1171688, 1315160, 1464610, 1611071, 1841224, 2301530, 2929220, 3222142, 4603060, 5858440, 6444284, 8055355, 9206120, 12888568, 16110710, 32221420, 64442840]

約数ペア:

[(1, 64442840), (2, 32221420), (4, 16110710), (5, 12888568), (7, 9206120), (8, 8055355), (10, 6444284), (11, 5858440), (14, 4603060), (20, 3222142), (22, 2929220), (28, 2301530), (35, 1841224), (40, 1611071), (44, 1464610), (49, 1315160), (55, 1171688), (56, 1150765), (61, 1056440), (70, 920612), (77, 836920), (88, 732305), (98, 657580), (110, 585844), (122, 528220), (140, 460306), (154, 418460), (196, 328790), (220, 292922), (244, 264110), (245, 263032), (280, 230153), (305, 211288), (308, 209230), (343, 187880), (385, 167384), (392, 164395), (427, 150920), (440, 146461), (488, 132055), (490, 131516), (539, 119560), (610, 105644), (616, 104615), (671, 96040), (686, 93940), (770, 83692), (854, 75460), (980, 65758), (1078, 59780), (1220, 52822), (1342, 48020), (1372, 46970), (1540, 41846), (1708, 37730), (1715, 37576), (1960, 32879), (2135, 30184), (2156, 29890), (2401, 26840), (2440, 26411), (2684, 24010), (2695, 23912), (2744, 23485), (2989, 21560), (3080, 20923), (3355, 19208), (3416, 18865), (3430, 18788), (3773, 17080), (4270, 15092), (4312, 14945), (4697, 13720), (4802, 13420), (5368, 12005), (5390, 11956), (5978, 10780), (6710, 9604), (6860, 9394), (7546, 8540)]