71181810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{16141}}^1$

素因数の和:16168

約数の個数: 72

約数和(自身を含む): 215301996

約数和(自身を除く): 144120186

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 16141, 32282, 48423, 80705, 96846, 112987, 145269, 161410, 225974, 242115, 290538, 338961, 484230, 564935, 677922, 726345, 790909, 1016883, 1129870, 1452690, 1581818, 1694805, 2033766, 2372727, 3389610, 3954545, 4745454, 5084415, 7118181, 7909090, 10168830, 11863635, 14236362, 23727270, 35590905, 71181810]

約数ペア:

[(1, 71181810), (2, 35590905), (3, 23727270), (5, 14236362), (6, 11863635), (7, 10168830), (9, 7909090), (10, 7118181), (14, 5084415), (15, 4745454), (18, 3954545), (21, 3389610), (30, 2372727), (35, 2033766), (42, 1694805), (45, 1581818), (49, 1452690), (63, 1129870), (70, 1016883), (90, 790909), (98, 726345), (105, 677922), (126, 564935), (147, 484230), (210, 338961), (245, 290538), (294, 242115), (315, 225974), (441, 161410), (490, 145269), (630, 112987), (735, 96846), (882, 80705), (1470, 48423), (2205, 32282), (4410, 16141)]