291287640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15077}}^1$

素因数の和:15121

約数の個数: 128

約数和(自身を含む): 1042191360

約数和(自身を除く): 750903720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 15077, 19320, 30154, 45231, 60308, 75385, 90462, 105539, 120616, 150770, 180924, 211078, 226155, 301540, 316617, 346771, 361848, 422156, 452310, 527695, 603080, 633234, 693542, 844312, 904620, 1040313, 1055390, 1266468, 1387084, 1583085, 1733855, 1809240, 2080626, 2110780, 2427397, 2532936, 2774168, 3166170, 3467710, 4161252, 4221560, 4854794, 5201565, 6332340, 6935420, 7282191, 8322504, 9709588, 10403130, 12136985, 12664680, 13870840, 14564382, 19419176, 20806260, 24273970, 29128764, 36410955, 41612520, 48547940, 58257528, 72821910, 97095880, 145643820, 291287640]

約数ペア:

[(1, 291287640), (2, 145643820), (3, 97095880), (4, 72821910), (5, 58257528), (6, 48547940), (7, 41612520), (8, 36410955), (10, 29128764), (12, 24273970), (14, 20806260), (15, 19419176), (20, 14564382), (21, 13870840), (23, 12664680), (24, 12136985), (28, 10403130), (30, 9709588), (35, 8322504), (40, 7282191), (42, 6935420), (46, 6332340), (56, 5201565), (60, 4854794), (69, 4221560), (70, 4161252), (84, 3467710), (92, 3166170), (105, 2774168), (115, 2532936), (120, 2427397), (138, 2110780), (140, 2080626), (161, 1809240), (168, 1733855), (184, 1583085), (210, 1387084), (230, 1266468), (276, 1055390), (280, 1040313), (322, 904620), (345, 844312), (420, 693542), (460, 633234), (483, 603080), (552, 527695), (644, 452310), (690, 422156), (805, 361848), (840, 346771), (920, 316617), (966, 301540), (1288, 226155), (1380, 211078), (1610, 180924), (1932, 150770), (2415, 120616), (2760, 105539), (3220, 90462), (3864, 75385), (4830, 60308), (6440, 45231), (9660, 30154), (15077, 19320)]