1855729905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 3406233600

約数和(自身を除く): 1550503695

約数列:

[1, 3, 5, 15, 19, 31, 41, 47, 57, 93, 95, 109, 123, 141, 155, 205, 235, 285, 327, 465, 545, 589, 615, 705, 779, 893, 1271, 1457, 1635, 1767, 1927, 2071, 2337, 2679, 2945, 3379, 3813, 3895, 4371, 4465, 4469, 5123, 5781, 6213, 6355, 7285, 8835, 9635, 10137, 10355, 11685, 13395, 13407, 15369, 16895, 19065, 21855, 22345, 24149, 25615, 27683, 28905, 31065, 36613, 50685, 59737, 64201, 67035, 72447, 76845, 83049, 84911, 97337, 109839, 120745, 138415, 138539, 158813, 179211, 183065, 192603, 210043, 254733, 292011, 298685, 321005, 362235, 415245, 415617, 424555, 476439, 486685, 549195, 630129, 692695, 794065, 896055, 963015, 1050215, 1135003, 1273665, 1460055, 2078085, 2382195, 2632241, 3017447, 3150645, 3405009, 3990817, 5675015, 6511333, 7896723, 9052341, 11972451, 13161205, 15087235, 17025045, 19533999, 19954085, 32556665, 39483615, 45261705, 59862255, 97669995, 123715327, 371145981, 618576635, 1855729905]

約数ペア:

[(1, 1855729905), (3, 618576635), (5, 371145981), (15, 123715327), (19, 97669995), (31, 59862255), (41, 45261705), (47, 39483615), (57, 32556665), (93, 19954085), (95, 19533999), (109, 17025045), (123, 15087235), (141, 13161205), (155, 11972451), (205, 9052341), (235, 7896723), (285, 6511333), (327, 5675015), (465, 3990817), (545, 3405009), (589, 3150645), (615, 3017447), (705, 2632241), (779, 2382195), (893, 2078085), (1271, 1460055), (1457, 1273665), (1635, 1135003), (1767, 1050215), (1927, 963015), (2071, 896055), (2337, 794065), (2679, 692695), (2945, 630129), (3379, 549195), (3813, 486685), (3895, 476439), (4371, 424555), (4465, 415617), (4469, 415245), (5123, 362235), (5781, 321005), (6213, 298685), (6355, 292011), (7285, 254733), (8835, 210043), (9635, 192603), (10137, 183065), (10355, 179211), (11685, 158813), (13395, 138539), (13407, 138415), (15369, 120745), (16895, 109839), (19065, 97337), (21855, 84911), (22345, 83049), (24149, 76845), (25615, 72447), (27683, 67035), (28905, 64201), (31065, 59737), (36613, 50685)]