2161674840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{72931}}^1$

素因数の和:72977

約数の個数: 128

約数和(自身を含む): 7351545600

約数和(自身を除く): 5189870760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 9880, 14820, 29640, 72931, 145862, 218793, 291724, 364655, 437586, 583448, 729310, 875172, 948103, 1093965, 1385689, 1458620, 1750344, 1896206, 2187930, 2771378, 2844309, 2917240, 3792412, 4157067, 4375860, 4740515, 5542756, 5688618, 6928445, 7584824, 8314134, 8751720, 9481030, 11085512, 11377236, 13856890, 14221545, 16628268, 18013957, 18962060, 20785335, 22754472, 27713780, 28443090, 33256536, 36027914, 37924120, 41570670, 54041871, 55427560, 56886180, 72055828, 83141340, 90069785, 108083742, 113772360, 144111656, 166282680, 180139570, 216167484, 270209355, 360279140, 432334968, 540418710, 720558280, 1080837420, 2161674840]

約数ペア:

[(1, 2161674840), (2, 1080837420), (3, 720558280), (4, 540418710), (5, 432334968), (6, 360279140), (8, 270209355), (10, 216167484), (12, 180139570), (13, 166282680), (15, 144111656), (19, 113772360), (20, 108083742), (24, 90069785), (26, 83141340), (30, 72055828), (38, 56886180), (39, 55427560), (40, 54041871), (52, 41570670), (57, 37924120), (60, 36027914), (65, 33256536), (76, 28443090), (78, 27713780), (95, 22754472), (104, 20785335), (114, 18962060), (120, 18013957), (130, 16628268), (152, 14221545), (156, 13856890), (190, 11377236), (195, 11085512), (228, 9481030), (247, 8751720), (260, 8314134), (285, 7584824), (312, 6928445), (380, 5688618), (390, 5542756), (456, 4740515), (494, 4375860), (520, 4157067), (570, 3792412), (741, 2917240), (760, 2844309), (780, 2771378), (988, 2187930), (1140, 1896206), (1235, 1750344), (1482, 1458620), (1560, 1385689), (1976, 1093965), (2280, 948103), (2470, 875172), (2964, 729310), (3705, 583448), (4940, 437586), (5928, 364655), (7410, 291724), (9880, 218793), (14820, 145862), (29640, 72931)]