15774780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 53512704

約数和(自身を除く): 37737924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 71, 84, 92, 105, 115, 138, 140, 142, 161, 210, 213, 230, 276, 284, 322, 345, 355, 420, 426, 460, 483, 497, 529, 644, 690, 710, 805, 852, 966, 994, 1058, 1065, 1380, 1420, 1491, 1587, 1610, 1633, 1932, 1988, 2116, 2130, 2415, 2485, 2645, 2982, 3174, 3220, 3266, 3703, 4260, 4830, 4899, 4970, 5290, 5964, 6348, 6532, 7406, 7455, 7935, 8165, 9660, 9798, 9940, 10580, 11109, 11431, 14812, 14910, 15870, 16330, 18515, 19596, 22218, 22862, 24495, 29820, 31740, 32660, 34293, 37030, 37559, 44436, 45724, 48990, 55545, 57155, 68586, 74060, 75118, 97980, 111090, 112677, 114310, 137172, 150236, 171465, 187795, 222180, 225354, 228620, 262913, 342930, 375590, 450708, 525826, 563385, 685860, 751180, 788739, 1051652, 1126770, 1314565, 1577478, 2253540, 2629130, 3154956, 3943695, 5258260, 7887390, 15774780]

約数ペア:

[(1, 15774780), (2, 7887390), (3, 5258260), (4, 3943695), (5, 3154956), (6, 2629130), (7, 2253540), (10, 1577478), (12, 1314565), (14, 1126770), (15, 1051652), (20, 788739), (21, 751180), (23, 685860), (28, 563385), (30, 525826), (35, 450708), (42, 375590), (46, 342930), (60, 262913), (69, 228620), (70, 225354), (71, 222180), (84, 187795), (92, 171465), (105, 150236), (115, 137172), (138, 114310), (140, 112677), (142, 111090), (161, 97980), (210, 75118), (213, 74060), (230, 68586), (276, 57155), (284, 55545), (322, 48990), (345, 45724), (355, 44436), (420, 37559), (426, 37030), (460, 34293), (483, 32660), (497, 31740), (529, 29820), (644, 24495), (690, 22862), (710, 22218), (805, 19596), (852, 18515), (966, 16330), (994, 15870), (1058, 14910), (1065, 14812), (1380, 11431), (1420, 11109), (1491, 10580), (1587, 9940), (1610, 9798), (1633, 9660), (1932, 8165), (1988, 7935), (2116, 7455), (2130, 7406), (2415, 6532), (2485, 6348), (2645, 5964), (2982, 5290), (3174, 4970), (3220, 4899), (3266, 4830), (3703, 4260)]