1647240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 128

約数和(自身を含む): 5909760

約数和(自身を除く): 4262520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 53, 56, 60, 70, 74, 84, 105, 106, 111, 120, 140, 148, 159, 168, 185, 210, 212, 222, 259, 265, 280, 296, 318, 370, 371, 420, 424, 444, 518, 530, 555, 636, 740, 742, 777, 795, 840, 888, 1036, 1060, 1110, 1113, 1272, 1295, 1480, 1484, 1554, 1590, 1855, 1961, 2072, 2120, 2220, 2226, 2590, 2968, 3108, 3180, 3710, 3885, 3922, 4440, 4452, 5180, 5565, 5883, 6216, 6360, 7420, 7770, 7844, 8904, 9805, 10360, 11130, 11766, 13727, 14840, 15540, 15688, 19610, 22260, 23532, 27454, 29415, 31080, 39220, 41181, 44520, 47064, 54908, 58830, 68635, 78440, 82362, 109816, 117660, 137270, 164724, 205905, 235320, 274540, 329448, 411810, 549080, 823620, 1647240]

約数ペア:

[(1, 1647240), (2, 823620), (3, 549080), (4, 411810), (5, 329448), (6, 274540), (7, 235320), (8, 205905), (10, 164724), (12, 137270), (14, 117660), (15, 109816), (20, 82362), (21, 78440), (24, 68635), (28, 58830), (30, 54908), (35, 47064), (37, 44520), (40, 41181), (42, 39220), (53, 31080), (56, 29415), (60, 27454), (70, 23532), (74, 22260), (84, 19610), (105, 15688), (106, 15540), (111, 14840), (120, 13727), (140, 11766), (148, 11130), (159, 10360), (168, 9805), (185, 8904), (210, 7844), (212, 7770), (222, 7420), (259, 6360), (265, 6216), (280, 5883), (296, 5565), (318, 5180), (370, 4452), (371, 4440), (420, 3922), (424, 3885), (444, 3710), (518, 3180), (530, 3108), (555, 2968), (636, 2590), (740, 2226), (742, 2220), (777, 2120), (795, 2072), (840, 1961), (888, 1855), (1036, 1590), (1060, 1554), (1110, 1484), (1113, 1480), (1272, 1295)]