20131811680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1619}}^1$

素因数の和:1797

約数の個数: 192

約数和(自身を含む): 51732172800

約数和(自身を除く): 31600361120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 80, 92, 109, 115, 124, 155, 160, 184, 218, 230, 248, 310, 368, 436, 460, 496, 545, 620, 713, 736, 872, 920, 992, 1090, 1240, 1426, 1619, 1744, 1840, 2180, 2480, 2507, 2852, 3238, 3379, 3488, 3565, 3680, 4360, 4960, 5014, 5704, 6476, 6758, 7130, 8095, 8720, 10028, 11408, 12535, 12952, 13516, 14260, 16190, 16895, 17440, 20056, 22816, 25070, 25904, 27032, 28520, 32380, 33790, 37237, 40112, 50140, 50189, 51808, 54064, 57040, 64760, 67580, 74474, 77717, 80224, 100280, 100378, 108128, 114080, 129520, 135160, 148948, 155434, 176471, 186185, 200560, 200756, 250945, 259040, 270320, 297896, 310868, 352942, 372370, 388585, 401120, 401512, 501890, 540640, 595792, 621736, 705884, 744740, 777170, 803024, 882355, 1003780, 1154347, 1191584, 1243472, 1411768, 1489480, 1554340, 1606048, 1764710, 2007560, 2308694, 2486944, 2823536, 2978960, 3108680, 3529420, 4015120, 4058833, 4617388, 5470601, 5647072, 5771735, 5957920, 6217360, 7058840, 8030240, 8117666, 9234776, 10941202, 11543470, 12434720, 14117680, 16235332, 18469552, 20294165, 21882404, 23086940, 27353005, 28235360, 32470664, 36939104, 40588330, 43764808, 46173880, 54706010, 64941328, 81176660, 87529616, 92347760, 109412020, 125823823, 129882656, 162353320, 175059232, 184695520, 218824040, 251647646, 324706640, 437648080, 503295292, 629119115, 649413280, 875296160, 1006590584, 1258238230, 2013181168, 2516476460, 4026362336, 5032952920, 10065905840, 20131811680]

約数ペア:

[(1, 20131811680), (2, 10065905840), (4, 5032952920), (5, 4026362336), (8, 2516476460), (10, 2013181168), (16, 1258238230), (20, 1006590584), (23, 875296160), (31, 649413280), (32, 629119115), (40, 503295292), (46, 437648080), (62, 324706640), (80, 251647646), (92, 218824040), (109, 184695520), (115, 175059232), (124, 162353320), (155, 129882656), (160, 125823823), (184, 109412020), (218, 92347760), (230, 87529616), (248, 81176660), (310, 64941328), (368, 54706010), (436, 46173880), (460, 43764808), (496, 40588330), (545, 36939104), (620, 32470664), (713, 28235360), (736, 27353005), (872, 23086940), (920, 21882404), (992, 20294165), (1090, 18469552), (1240, 16235332), (1426, 14117680), (1619, 12434720), (1744, 11543470), (1840, 10941202), (2180, 9234776), (2480, 8117666), (2507, 8030240), (2852, 7058840), (3238, 6217360), (3379, 5957920), (3488, 5771735), (3565, 5647072), (3680, 5470601), (4360, 4617388), (4960, 4058833), (5014, 4015120), (5704, 3529420), (6476, 3108680), (6758, 2978960), (7130, 2823536), (8095, 2486944), (8720, 2308694), (10028, 2007560), (11408, 1764710), (12535, 1606048), (12952, 1554340), (13516, 1489480), (14260, 1411768), (16190, 1243472), (16895, 1191584), (17440, 1154347), (20056, 1003780), (22816, 882355), (25070, 803024), (25904, 777170), (27032, 744740), (28520, 705884), (32380, 621736), (33790, 595792), (37237, 540640), (40112, 501890), (50140, 401512), (50189, 401120), (51808, 388585), (54064, 372370), (57040, 352942), (64760, 310868), (67580, 297896), (74474, 270320), (77717, 259040), (80224, 250945), (100280, 200756), (100378, 200560), (108128, 186185), (114080, 176471), (129520, 155434), (135160, 148948)]