2815890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 8957952

約数和(自身を除く): 6142062

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 23, 30, 33, 35, 42, 46, 53, 55, 66, 69, 70, 77, 105, 106, 110, 115, 138, 154, 159, 161, 165, 210, 230, 231, 253, 265, 318, 322, 330, 345, 371, 385, 462, 483, 506, 530, 583, 690, 742, 759, 770, 795, 805, 966, 1113, 1155, 1166, 1219, 1265, 1518, 1590, 1610, 1749, 1771, 1855, 2226, 2310, 2415, 2438, 2530, 2915, 3498, 3542, 3657, 3710, 3795, 4081, 4830, 5313, 5565, 5830, 6095, 7314, 7590, 8162, 8533, 8745, 8855, 10626, 11130, 12190, 12243, 13409, 17066, 17490, 17710, 18285, 20405, 24486, 25599, 26565, 26818, 36570, 40227, 40810, 42665, 51198, 53130, 61215, 67045, 80454, 85330, 93863, 122430, 127995, 134090, 187726, 201135, 255990, 281589, 402270, 469315, 563178, 938630, 1407945, 2815890]

約数ペア:

[(1, 2815890), (2, 1407945), (3, 938630), (5, 563178), (6, 469315), (7, 402270), (10, 281589), (11, 255990), (14, 201135), (15, 187726), (21, 134090), (22, 127995), (23, 122430), (30, 93863), (33, 85330), (35, 80454), (42, 67045), (46, 61215), (53, 53130), (55, 51198), (66, 42665), (69, 40810), (70, 40227), (77, 36570), (105, 26818), (106, 26565), (110, 25599), (115, 24486), (138, 20405), (154, 18285), (159, 17710), (161, 17490), (165, 17066), (210, 13409), (230, 12243), (231, 12190), (253, 11130), (265, 10626), (318, 8855), (322, 8745), (330, 8533), (345, 8162), (371, 7590), (385, 7314), (462, 6095), (483, 5830), (506, 5565), (530, 5313), (583, 4830), (690, 4081), (742, 3795), (759, 3710), (770, 3657), (795, 3542), (805, 3498), (966, 2915), (1113, 2530), (1155, 2438), (1166, 2415), (1219, 2310), (1265, 2226), (1518, 1855), (1590, 1771), (1610, 1749)]