16721460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 60592896

約数和(自身を除く): 43871436

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 577, 630, 644, 690, 805, 828, 966, 1035, 1154, 1260, 1380, 1449, 1610, 1731, 1932, 2070, 2308, 2415, 2885, 2898, 3220, 3462, 4039, 4140, 4830, 5193, 5770, 5796, 6924, 7245, 8078, 8655, 9660, 10386, 11540, 12117, 13271, 14490, 16156, 17310, 20195, 20772, 24234, 25965, 26542, 28980, 34620, 36351, 39813, 40390, 48468, 51930, 53084, 60585, 66355, 72702, 79626, 80780, 92897, 103860, 119439, 121170, 132710, 145404, 159252, 181755, 185794, 199065, 238878, 242340, 265420, 278691, 363510, 371588, 398130, 464485, 477756, 557382, 597195, 727020, 796260, 836073, 928970, 1114764, 1194390, 1393455, 1672146, 1857940, 2388780, 2786910, 3344292, 4180365, 5573820, 8360730, 16721460]

約数ペア:

[(1, 16721460), (2, 8360730), (3, 5573820), (4, 4180365), (5, 3344292), (6, 2786910), (7, 2388780), (9, 1857940), (10, 1672146), (12, 1393455), (14, 1194390), (15, 1114764), (18, 928970), (20, 836073), (21, 796260), (23, 727020), (28, 597195), (30, 557382), (35, 477756), (36, 464485), (42, 398130), (45, 371588), (46, 363510), (60, 278691), (63, 265420), (69, 242340), (70, 238878), (84, 199065), (90, 185794), (92, 181755), (105, 159252), (115, 145404), (126, 132710), (138, 121170), (140, 119439), (161, 103860), (180, 92897), (207, 80780), (210, 79626), (230, 72702), (252, 66355), (276, 60585), (315, 53084), (322, 51930), (345, 48468), (414, 40390), (420, 39813), (460, 36351), (483, 34620), (577, 28980), (630, 26542), (644, 25965), (690, 24234), (805, 20772), (828, 20195), (966, 17310), (1035, 16156), (1154, 14490), (1260, 13271), (1380, 12117), (1449, 11540), (1610, 10386), (1731, 9660), (1932, 8655), (2070, 8078), (2308, 7245), (2415, 6924), (2885, 5796), (2898, 5770), (3220, 5193), (3462, 4830), (4039, 4140)]